CVE-2026-106459 Backstage: Improper input validation in Sentry scaffolder actions

Backstage is an open framework for building developer portals. From 0.3.0 until 0.3.8, the @backstage/plugin-scaffolder-backend-module-sentry package is affected by improper input validation in sentry scaffolder actions. An authenticated internal user who can execute the affected actions may caus...

CVE-2026-106458 Backstage: Inconsistent repository filtering in Bitbucket Server catalog event updates

Backstage is an open framework for building developer portals. From 0.4.0 until 0.5.15, the @backstage/plugin-catalog-backend-module-bitbucket-server package is affected by inconsistent repository filtering in bitbucket server catalog event updates. Deployments using event-driven updates in the...

CVE-2026-106547 HDF5 heap buffer overflow in H5VM_array_fill via crafted fill-value metadata

A heap-based buffer overflow in H5VMarrayfill in src/H5VM.c in HDF5 before 2.2.0 lets a remote attacker cause an application crash and possibly execute arbitrary code with a crafted HDF5 file. When a dataset's unallocated chunks are read, H5Dfillinit fills the fill-value buffer from datatype and...

CVE-2026-106457 Backstage: Insufficient audience validation in the Cloudflare Access auth provider

Backstage is an open framework for building developer portals. From 0.1.0 until 0.5.0, the @backstage/plugin-auth-backend-module-cloudflare-access-provider package is affected by insufficient audience validation in the cloudflare access auth provider. The Cloudflare Access auth provider verifies ...

CVE-2026-106456 Backstage: Inconsistent credential enforcement for overlapping proxy routes

Backstage is an open framework for building developer portals. From 0.5.0 until 0.6.18, the @backstage/plugin-proxy-backend package is affected by inconsistent credential enforcement for overlapping proxy routes. An operator can configure overlapping proxy paths with different credential...

CVE-2026-106550 CVE-2026-106550

Mozilla's Node-convict version 6.2.2 and later is vulnerable to a Denial of Service vulnerability caused by incomplete prototype‑pollution protections in config.set. An attacker controlling the configuration key can write arbitrary properties to constructor., which walk resolves to the global...

CVE-2026-106455 Backstage: Improper validation of MkDocs plugin configuration in TechDocs

Backstage is an open framework for building developer portals. From 0.11.12 until 1.14.7 and 1.15.5, the @backstage/plugin-techdocs-node package is affected by improper validation of mkdocs plugin configuration in techdocs. An authenticated attacker with control over a TechDocs source repository...

CVE-2026-105811 Authorization bypass through a user-controlled key in the Amazon Q Business Lambda hook sample in QnABot on AWS

Authorization bypass through a user-controlled key in the optional Amazon Q Business Lambda hook sample q-business-lambda-hook https://github.com/aws-solutions-library-samples/qnabot-on-aws/blob/main/source/docs/lambdahooks/README.md , available with QnABot on AWS versions 7.0.0 through 7.4.5,...

CVE-2026-104046 Sssd: sssd: denial of service via incomplete identity provider authentication requests

A flaw was found in SSSD System Security Services Daemon. When Identity Provider IdP authentication is enabled, pre-authentication requests retain state in memory without being cleared or timed out. A local attacker can repeatedly initiate authentication flows without completing them, causing...

CVE-2026-19029 HDF5 scale-offset filter heap buffer over-read via crafted chunk

A heap-based buffer over-read in H5Zfilterscaleoffset in src/H5Zscaleoffset.c in HDF5 through 2.2.0 lets an attacker cause a denial of service application crash with a crafted HDF5 file. When the stored minimum bits equal the full precision of the datatype, the decoder copies dnelmts size bytes...

CVE-2026-106454 Twisted: IMAP wildcardToRegexp() ReDoS

Twisted is an event-based framework for internet applications, supporting Python 3.6+. In 25.5.0 and earlier, wildcardToRegexp in twisted/mail/imap4.py translates the IMAP asterisk and percent wildcards but passes all other characters from an authenticated client's LIST or LSUB pattern directly t...

CVE-2026-106453 yawkat LZ4 Java: LZ4DecompressorWithLength allocates the unvalidated size from the 4-byte length header, so a 5-byte input triggers a 1 GiB allocation and OutOfMemoryError

yawkat LZ4 Java provides LZ4 compression for Java. Prior to 1.11.2, LZ4DecompressorWithLength uses getDecompressedLength to trust the four-byte decompressed-length header before validating the compressed input, allowing a five-byte attacker-supplied input whose header declares a large output size...

CVE-2026-106452 yawkat LZ4 Java: LZ4BlockInputStream allocates an unvalidated compressed length from the stream header

yawkat LZ4 Java provides LZ4 compression for Java. Prior to 1.11.2, net.jpountz.lz4.LZ4BlockInputStream refill validates that the compressedLen field in a legacy LZ4Block header is nonnegative but allocates a compressed-input buffer of that attacker-controlled size before reading payload data,...

CVE-2026-105244 Apache log4net: RemoteSyslogAppender silently deletes non-ASCII content

Improper Encoding or Escaping of Output vulnerability in the RemoteSyslogAppender of Apache log4net. Every character outside visible ASCII and space was removed from the record instead of being escaped, so non-ASCII text and control characters such as tabs disappeared without notice. A party whos...

CVE-2026-105243 Apache log4net: Oversize EventLogAppender record silently discarded

Insufficient Logging vulnerability in the EventLogAppender of Apache log4net. Long messages were truncated to a fixed size that exceeds what the Windows Event Log accepts once the log and source names are counted, and the event log then stored nothing and reported nothing. A party whose data...

CVE-2026-106451 yawkat LZ4 Java: Native library extraction to a shared temporary directory is vulnerable to file replacement by another local user

yawkat LZ4 Java provides LZ4 compression for Java. From 1.7.0 until 1.11.4, net.jpountz.util.Native.load uses File.createTempFile to create an exclusive temporary .lck file but derives the native-library path by removing the suffix, then FileOutputStream opens that predictable path without...

CVE-2026-105242 Apache log4net: Request validation failure drops the event in the aspnet-request converter

Improper Handling of Exceptional Conditions vulnerability in the aspnet-request pattern converter of Apache log4net. Reading request parameters triggers ASP.NET request validation, so a request carrying content such as markup made the layout throw and the appender discarded the whole event. A...

CVE-2026-105241 Apache log4net: Unencodable content discards a whole SmtpPickupDirAppender batch

Improper Handling of Unicode Encoding vulnerability in the SmtpPickupDirAppender of Apache log4net. Content that the mail file writer cannot encode, such as an unpaired UTF-16 surrogate, made the write throw. Every buffered event in the batch was discarded, not only the one carrying the content,...

CVE-2026-106450 yawkat LZ4 Java: LZ4FrameInputStream reallocates block buffers for every frame, allowing CPU and GC amplification from small inputs

yawkat LZ4 Java provides LZ4 compression for Java. Prior to 1.11.4, net.jpountz.lz4.LZ4FrameInputStream readHeader allocates two new 4 MiB block buffers whenever a maximum-block-size frame header is read, and the default concatenated-frame mode allows attacker-controlled streams containing many...

CVE-2026-105240 Apache log4net: NUL character truncates OutputDebugStringAppender records

Improper Neutralization of Null Byte or NUL Character vulnerability in the OutputDebugStringAppender of Apache log4net. A NUL character in logged content ended the debug output record at that point, so everything the layout rendered after it, including exception text and trailing fields, was...

CVE-2026-105239 Apache log4net: NUL character truncates EventLogAppender records

Improper Neutralization of Null Byte or NUL Character vulnerability in the EventLogAppender of Apache log4net. A NUL character in logged content ended the Windows Event Log record at that point, so everything the layout rendered after it, including exception text and trailing fields, was silently...

CVE-2026-106449 yawkat LZ4 Java: LZ4BlockInputStream with stopOnEmptyBlock=false recurses once per empty block, causing StackOverflowError

yawkat LZ4 Java provides LZ4 compression for Java. Prior to 1.11.4, net.jpountz.lz4.LZ4BlockInputStream configured with stopOnEmptyBlock set to false handles each well-formed empty LZ4Block by recursively calling refill, allowing a long sequence of empty blocks in an attacker-controlled compresse...

CVE-2026-106448 StableLib: Prototype poisoning via `__proto__` map keys in CBOR decoding

StableLib is a stable library of useful TypeScript and JavaScript code. Prior to 2.0.4, the @stablelib/cbor CBOR map decoding path creates ordinary JavaScript objects and assigns attacker-controlled keys with bracket assignment. A map key named proto invokes the inherited prototype setter instead...

CVE-2026-105111 Apache Commons BCEL: Class2HTML emits unescaped class strings, enabling stored XSS

Improper neutralization of input during web page generation 'cross-site scripting' vulnerability in Apache Commons BCEL. This only happens when you're using Class2HTML to generate webpages for possibly-attacker-controlled class files, where Class2HTML emitters write attacker class-file strings in...

CVE-2026-106447 StableLib: Stack exhaustion denial of service via deeply nested CBOR arrays, maps, or tags

StableLib is a stable library of useful TypeScript and JavaScript code. Prior to 2.0.4, the @stablelib/cbor decoder recursively processes nested CBOR arrays, maps, and tags through decodeValue without enforcing a maximum nesting depth. A sufficiently deep structure exhausts the JavaScript call...

CVE-2026-94114 Apache Commons BCEL: Class repositories cache class files under their self-declared names, enabling cache poisoning

Symbolic name not mapping to correct class. BCEL caches attacker-controlled classes under their self-declared names without validating the requested name, allowing subsequent lookups and name-keyed verification results to refer to a different class. This issue affects Apache Commons BCEL: before...

CVE-2026-106446 Handlebars: JavaScript Injection via AST Type Confusion in compile (Program.blockParams)

Handlebars provides the power necessary to let users build semantic templates. From 4.0.0 until 4.7.10, Handlebars.compile and Handlebars.precompile accept pre-parsed AST objects while validating only selected PathExpression, NumberLiteral, and BooleanLiteral values. This issue bypasses the AST...

CVE-2026-106445 Handlebars: JavaScript Injection via Own Property Check Bypass

Handlebars provides the power necessary to let users build semantic templates. From 3.0.0 until 4.7.10, Handlebars lookupProperty returns Function.prototype.constructor before applying the prototype-access deny list because constructor is an own property of Function.prototype. When an attacker ca...

CVE-2026-104048 Sssd: sssd: authorization bypass via cross-domain username collision in hbac evaluation

A flaw was found in SSSD. In trust-enabled identity management environments, SSSD evaluates Host-Based Access Control HBAC rules by stripping domain qualifiers and comparing only short usernames. An authenticated user in a trusted domain who shares the same username as an authorized local account...

CVE-2026-104047 Sssd: sssd: information disclosure via query injection in entra id lookups

A flaw was found in SSSD. When configured to use Microsoft Entra ID, search inputs are not properly sanitized before being incorporated into directory query filters. A local user can exploit this vulnerability by submitting a crafted lookup request, manipulating the query logic to cause...

CVE-2026-73278 Gitea WebAuthn bypass during OAuth and OIDC sign-in

Gitea's OAuth2 and OpenID Connect sign-in paths do not require a WebAuthn challenge when WebAuthn is the account's only configured second factor. A party able to authenticate through the affected external identity flow can obtain a full session without the passkey verification enforced during...

CVE-2026-103009 Authorization Bypass Through User-Controlled Key in Elasticsearch Leading to Information Disclosure

Authorization Bypass Through User-Controlled Key CWE-639 in Elasticsearch can lead to Information Disclosure via a specially crafted cross-cluster search request that references an unauthorized shard identifier. Elasticsearch contains an authorization bypass weakness in its handling of...

CVE-2026-103008 Uncontrolled Recursion in Elasticsearch Leading to Denial of Service

Uncontrolled Recursion CWE-674 in Elasticsearch can lead to Denial of Service via a specially crafted request that causes the server to construct and process a deeply nested data structure with no bound on recursion depth. Elasticsearch contains an uncontrolled recursion weakness in how it builds...

CVE-2026-103007 Incorrect Authorization in Elasticsearch Leading to Privilege Escalation

Incorrect Authorization CWE-863 in Elasticsearch can lead to Privilege Escalation via a delegated administrative privilege whose scope is not fully enforced during authorization checks. Elasticsearch contains an incorrect authorization weakness in a configurable, non-default privilege that lets a...

CVE-2026-103006 Uncontrolled Recursion in Elasticsearch Leading to Denial of Service

Uncontrolled Recursion CWE-674 in Elasticsearch can lead to Denial of Service via a specially crafted, deeply nested request submitted to the aggregation feature of the search API. Elasticsearch contains an uncontrolled recursion weakness in its search aggregation processing. An authenticated use...

CVE-2026-103005 Memory Allocation with Excessive Size Value in Elasticsearch Leading to Denial of Service

Memory Allocation with Excessive Size Value CWE-789 in Elasticsearch can lead to denial of service via Excessive Allocation CAPEC-130. An authenticated user with connector management privileges could cause the cluster to allocate an uncontrolled amount of memory when connector resources with an...

CVE-2026-102412 Incorrect Authorization in Kibana Leading to Sensitive Information Disclosure

Incorrect Authorization CWE-863 in Kibana can lead to sensitive information disclosure via Accessing Functionality Not Properly Constrained by ACLs CAPEC-1. An authenticated Kibana user with limited Fleet management privileges could access sensitive credential material that should be restricted t...

CVE-2026-102411 Allocation of Resources Without Limits or Throttling in Elasticsearch Leading to Denial of Service

Allocation of Resources Without Limits or Throttling CWE-770 in Elasticsearch can lead to Denial of Service via Excessive Allocation CAPEC-130. Elasticsearch enforces a size limit on the user-supplied metadata field for each individual template resource, but does not limit the total memory used...

CVE-2026-102410 Missing Authorization in Kibana Leading to Information Disclosure

Missing Authorization CWE-862 in Kibana can lead to information disclosure via Accessing Functionality Not Properly Constrained by ACLs CAPEC-1. An internal API surface within the Metrics Experience feature did not enforce a Kibana-level authorization check that an equivalent, related API in the...

CVE-2026-102409 Uncontrolled Recursion in Elasticsearch Leading to Denial of Service

Uncontrolled Recursion CWE-674 in Elasticsearch can allow an authenticated user with low privileges to terminate an Elasticsearch node, resulting in denial of service, via Excessive Allocation CAPEC-130...

CVE-2026-102408 Inefficient Regular Expression Complexity in Elasticsearch Leading to Denial of Service

Inefficient Regular Expression Complexity CWE-1333 in Elasticsearch can lead to denial of service via Regular Expression Exponential Blowup CAPEC-492. The ES|QL CHUNK function's recursive chunking strategy accepts a list of user-supplied regular expressions used as text-splitting separators,...

CVE-2026-102407 Incorrect Authorization in Elasticsearch Leading to Unauthorized Data Stream Modification

Incorrect Authorization CWE-863 in Elasticsearch can lead to unauthorized data stream modification via Accessing Functionality Not Properly Constrained by ACLs CAPEC-1. An authenticated user with sufficient privileges over a single resource could use the Modify Data Streams API to modify a data...

CVE-2026-102406 Authorization Bypass Through User-Controlled Key in Kibana Leading to Cross-Tenant Data Interception

Authorization Bypass Through User-Controlled Key CWE-639 in Kibana could lead to cross-tenant data interception. In this context, "tenant" refers to a user or team sharing the same Kibana deployment, not a separate Elastic Cloud organization or customer. Kibana's Fleet package installation proces...

CVE-2026-102404 Uncontrolled Resource Consumption in Elasticsearch Leading to Denial of Service

Uncontrolled Resource Consumption CWE-400 in Elasticsearch can lead to denial of service via Excessive Allocation CAPEC-130. A low-privileged authenticated user can submit a specially crafted query that causes uncontrolled memory growth in the query processing engine, resulting in an out-of-memor...

CVE-2026-96589 Gitea private repository access retained after rejected transfer

When a private repository is transferred to a user who lacks access, Gitea grants that recipient temporary read access as a collaborator so they can review the repository. Rejecting or cancelling the transfer did not revoke this collaboration, so the named recipient kept persistent read access to...

CVE-2026-96580 Gitea Actions memory exhaustion through large static matrices

Gitea expanded a workflow's static strategy.matrix into its full Cartesian product without a size limit when creating a run, before the fork pull request approval gate applied. A user who can open a pull request from a fork could submit a small workflow file whose matrix expands to a very large...

CVE-2026-96404 Gitea installer authentication bypass for existing accounts

When Gitea's web installer is reachable against a database that already contains users, such as after INSTALLLOCK has been reset to false, submitting the install form with an administrator username matching an existing account issued an authenticated session for that account without verifying its...

CVE-2026-96400 Gitea migration SSRF to reserved addresses through ALLOWED_DOMAINS

With migrations ALLOWEDDOMAINS set to a matching entry such as or a hostname wildcard, Gitea's migration URL validation could permit reserved and link-local addresses, such as 169.254.169.254, even when ALLOWLOCALNETWORKS = false. The local-network block list did not cover these ranges, and a...

CVE-2026-96399 Gitea denial of service through external issue tracker patterns

A repository's external issue tracker regular expression containing alternating capture groups could produce invalid slice indexes when Gitea rendered issue references, causing a runtime panic that terminated the Gitea process. A user who can edit a repository's external issue tracker settings...

CVE-2026-95112 Gitea issue reference parsing CPU exhaustion

When processing issue and comment bodies, Gitea scanned the entire preceding text for action keywords such as "closes" or "fixes" once per Markdown link, giving processing time quadratic in the input size. An authenticated user able to submit issue or comment content could send a crafted body of...