Open WebUI vulnerable to stored XSS via unescaped markdown token in MarkdownTokens.svelte leading to full account takeover and RCE via functions

SummaryA vulnerability in the way certain html tags in chat messages are rendered allows attackers to inject JavaScript code into a chat transcript. The JavaScript code will be executed in the user's browser every time that chat transcript is opened, allowing attackers to retrieve the user's acce...

`lxml_html_clean.Cleaner` does not strip `javascript:` URLs from namespaced URL attributes

lxmlhtmlclean.Cleaner does not strip javascript: URLs from namespaced URL attributes xlink:hrefReporter: Guillem Lefait · Date: 2026-05-10Affected: lxml ≤ 6.1.0 and lxmlhtmlclean ≤ 0.4.4 latest stableConfirmed against: lxml 6.1.0 + lxmlhtmlclean 0.4.4 on Python 3.13.5, 3.14.4, and 3.15.0a8 libxml...

Open WebUI vulnerable to Stored XSS via iFrame embeds in response messages

SummaryManually modifying chat history allows setting the embeds property on a response message, the content of which is loaded into an iFrame with a sandbox that has allow-scripts and allow-same-origin set, ignoring the "iframe Sandbox Allow Same Origin" configuration. This enables stored XSS on...

Weblate SSRF: outbound URL guard misses some private ranges

ImpactWeblate's VCSRESTRICTPRIVATE did not properly account for some transitional IPv6 ranges, multicast addresses, or some semi-private IPv4 ranges, which allowed some addresses to bypass private range restrictions. Patches https://github.com/WeblateOrg/weblate/pull/19768 ResourcesThe issue was...

Open WebUI allows limited stored XSS vila uploaded html file

SummaryLow privileged users can upload HTML files which contain JavaScript code via the /api/v1/files/ backend endpoint. This endpoint returns a file id, which can be used to open the file in the browser and trigger the JavaScript code in the user's browser. Under the default settings, files...

Open WebUI vulnerable to Stored XSS via iFrame in citations model

SummaryManually modifying chat history allows setting the html property within document metadata. This causes the frontend to enter a code path that treats document contents as HTML, and render them in an iFrame when the citation is previewed. This allows stored XSS via a weaponised document...

Linuxfabrik Monitoring Plugins allow insecure creation of SQLite databases

SummaryThe SQLite databases are created at predictable static paths in /tmp. Any user can therefore create a symlink at these paths in /tmp pointing to arbitrary files. The monitoring scripts then follows these symlinks and then creates their database at the symlink target.This becomes really...

Kiwi TCMS has an Open Redirect via unvalidated next parameter in account confirmation endpoint

SummaryAn open redirect vulnerability in the account confirmation endpoint allows an unauthenticated attacker to craft a URL hosted on a legitimate Kiwi TCMS instance that redirects victims to an arbitrary external domain. The attack surface is particularly relevant for phishing campaigns targeti...

WeasyPrint has CSS Injection via Presentational Hints

SummaryA CSS injection issue exists in WeasyPrint when HTML presentational hints are enabled. Unescaped attribute values are embedded into CSS, allowing injection of arbitrary CSS declarations. This affects applications processing untrusted HTML input. DetailsFile: weasyprint/css/init.pyThe...

flyto-core has Unauthenticated Command Execution via HTTP MCP `execute_module`

Unauthenticated Command Execution via HTTP MCP executemodule SummaryThe HTTP MCP endpoint POST /mcp in flyto-core accepts unauthenticated JSON-RPC tools/call requests and dispatches them to arbitrary registered modules, including sandbox.executeshell, which passes attacker-controlled input direct...

flyto-core has SSRF guard bypass via IPv6 transition addresses (IPv4-mapped / 6to4 / NAT64) in validate_url_ssrf

Summaryflyto-core's SSRF protection validateurlssrf / isprivateip in src/core/utils.py blocks private and metadata destinations by resolving the host and testing the resulting IP for membership in a hardcoded PRIVATEIPRANGES list. That list contains only the native RFC 1918 / loopback / link-loca...

Langroid: SQLChatAgent dangerous-function blocklist can be bypassed with quoted or schema-qualified pg_read_file calls

SQLChatAgent validatequery dangerous-pattern regex is bypassable via quoted/commented/qualified function names SummaryThe SQLChatAgent SQL-injection mitigation, with default allowdangerousoperations=False, combines a raw-text regex blocklist DANGEROUSSQLPATTERNS with a sqlglot SELECT-only stateme...

Langroid: Sandbox Escape to Remote Code Execution via Incomplete `eval()` Mitigation in TableChatAgent

Advisory DetailsTitle: Sandbox Escape to Remote Code Execution via Incomplete eval Mitigation in TableChatAgentDescription: SummaryLangroid is vulnerable to a critical Sandbox Escape leading to Remote Code Execution RCE in its TableChatAgent and VectorStore capabilities. When these agents evaluat...

Langroid: handle_message() executes user-supplied tool JSON without sender verification

SummaryA Langroid application exposing a chat interface to untrusted users may allow direct tool invocation via raw JSON payloads, even when tools are registered with use=False, handle=True. Detailsenablemessage..., use=False, handle=True only prevents the LLM from being instructed to generate th...

Kiwi TCMS vulnerable to stored XSS via JavaScript: URI in extra_link field (TestPlan & TestCase)

SummaryIn Kiwi TCMS the fields TestCase.extralink and TestPlan.extralink were meant to represent URLs to external resources however in versions prior to 16.1 user input was not being sanitized and values were rendered verbatim which represents an opportunity for cross-site scripting exploitation...

Linuxfabrik Monitoring Plugins have local privilege escalation using embedded command

SummaryWhen a check plugin places user provided input inside a command which is passed to shellexec, an attacker can abuse this to run arbitrary commands. This is mainly dangerous for plugins which are listed in the sudoers file, because this allows an attacker controlling the nagios user to get...

Langroid: Neo4jChatAgent executes LLM-generated Cypher without validation (prompt-to-Cypher injection; config-conditional RCE), mirroring the SQLChatAgent bug fixed in CVE-2026-25879

Neo4jChatAgent passes LLM-generated Cypher queries straight to the Neo4j driver with no validation, no statement-type allowlist, and no opt-out gate. The query text is influenceable by prompt injection direct user input or indirect content the agent reads back via RAG, so an attacker who can...

Kiwi TCMS's /init-db/ page renders and responds to requests after first use

Kiwi TCMS provides the /init-db/ page as part of its setup mechanism for administrators who prefer a browser instead of the command line. In previous versions of Kiwi TCMS this page still renders and responds to requests even after first use. ImpactThe /init-db/ page does not require any user...

Linuxfabrik Monitoring Plugins: Sudoers may be able to obtain privilege escalation via /usr/bin/apt-get arguments

SummaryIn the Debian.sudoers file, apt-get is allowed for the nagios user. The full command including the arguments are not enforced and can therefore be choosen arbitrarily. This allows to easily get a root shell as the nagios user: PoCBy choosing a particular argument, you can get as a nagios...

Dulwich's submodule path traversal in porcelain.submodule_update / porcelain.clone(recurse_submodules=True) yields RCE via attacker-dropped .git/hooks payload

Summarydulwich.porcelain.submoduleupdate, and by extension porcelain.clone..., recursesubmodules=True, materializes attacker-controlled submodule paths from a crafted upstream repository without path validation. A malicious .gitmodules plus a matching tree gitlink whose path is .git/hooks or any...

Langroid: SQLChatAgent _validate_query blocklist misses pg_read_file family enabling arbitrary file read

SummarySQLChatAgent in langroid ships a validatequery defense-in-depth layerwhose DANGEROUSSQLPATTERNS regex blocklist enumerates dangerous SQLprimitives by specific function name. The list misses the canonicalPostgreSQL filesystem-disclosure family pgreadfile, pgstatfile,pglslogdir, pglswaldir,...

Open Babel has out-of-bounds write in MOPAC translationVectors[] (UNIT CELL TRANSLATION)

SummaryA memory-safety vulnerability in Open Babel's MOPAC output parserallowed an out-of-bounds write into the translationVectors arraywhen reading the "UNIT CELL TRANSLATION" block of a crafted inputfile. DetailsThe MOPAC output reader stored translation vectors from the UNIT CELLTRANSLATION...

joserfc: HS256/HS384/HS512 verify accepts empty/nil HMAC key (cross-language sibling of CVE-2026-45363)

Summaryjoserfc.jwt.decode accepts attacker-forged HMAC-signed tokens when thecaller-supplied verification key is the empty string or None.HMACAlgorithm.sign and HMACAlgorithm.verify insrc/joserfc/rfc7518/jwsalgs.py:62-70 feed whateverOctKey.getopkey... produced into hmac.new..., and...

Langroid: Path traversal in the file tools allows read/write outside configured current directory

SummaryLangroid's ReadFileTool and WriteFileTool appear to treat currdir as the intended working-directory boundary for file operations. However, the tools only change the process working directory to currdir and then operate on the user-supplied filepath without resolving and enforcing that the...

Recce server has unauthenticated SQL execution that allows local file read/write through DuckDB

ImpactRecce OSS server deployments that expose the server to an untrusted network without authentication are vulnerable to unauthenticated SQL execution through the query run API.When Recce is configured with a DuckDB-backed project, an attacker can use DuckDB filesystem primitives to read and...

fast-mcp-telegram: Bearer token path traversal bypasses reserved Telegram session protection

Summaryfast-mcp-telegram validates HTTP Bearer tokens by joining the raw token string into a session-file path. The verifier rejects the exact reserved token telegram, but it does not reject path separators or normalize the path before checking whether the session file exists. A remote HTTP clien...

Open Babel has uninitialized pointer dereference in PQS pFormat

SummaryA memory-safety vulnerability in Open Babel's PQS parser caused anuninitialized pointer dereference when reading a crafted input file. DetailsThe flaw was in the pFormat handling of the PQS reader. A malformedinput caused the parser to dereference a format pointer that hadnever been...

Open Babel has out-of-bounds write in Gaussian translationVectors[]

SummaryA memory-safety vulnerability in Open Babel's Gaussian output parserallowed an out-of-bounds write into the translationVectors arraywhen reading a crafted input file. DetailsThe Gaussian reader stored periodic-cell translation vectors into afixed-size translationVectors array. A malformed...

Open Babel has out-of-bounds write in MOPAC IN translationVectors[] (Tv atom)

SummaryA memory-safety vulnerability in Open Babel's MOPAC input parserallowed an out-of-bounds write into the translationVectors arraywhen reading Tv translation-vector atoms from a crafted inputfile. DetailsThe MOPAC IN reader stored Tv-atom translation vectors into afixed-size translationVecto...

Open Babel has out-of-bounds write in PQS coord_file parser

SummaryA memory-safety vulnerability in Open Babel's PQS parser allowed anout-of-bounds write when reading a crafted input file. DetailsThe flaw was in the coordfile parsing path of the PQS reader. Amalformed coord file specifier caused the parser to write past theend of its destination buffer...

Open Babel has out-of-bounds write in MOL2 attribute/value parser

SummaryA memory-safety vulnerability in Open Babel's MOL2 parser allowed anout-of-bounds write when reading a crafted input file. DetailsThe flaw was in the attribute/value parsing path of the MOL2 reader.An over-long attribute or value caused the parser to write past theend of a fixed-size...

mcp-memory-service: Missing Authentication on Document API Endpoints Allows Unauthenticated Memory Read/Write/Delete

Missing Authentication on Document API Endpoints Allows Unauthenticated Memory Read/Write/Delete SummaryAll HTTP routes under /api/documents/ in mcp-memory-service are served without any authentication dependency, even when the server is configured with an API key MCPAPIKEY or OAuth. An...

Cortex has Untrusted Project Bootstrap Code Execution via `CLAUDE_PROJECT_DIR`

Untrusted Project Bootstrap Code Execution via CLAUDEPROJECTDIR SummaryThe Cortex MCP server neuro-cortex-memory treats the CLAUDEPROJECTDIR environment variable — automatically set by Claude Code to the currently open project directory — as a trusted Cortex developer checkout. When the...

Open Babel has out-of-bounds write in ORCA nAtoms parser (second variant)

SummaryA memory-safety vulnerability in Open Babel's ORCA parser allowed anout-of-bounds write when reading a crafted input file. DetailsA second variant of the nAtoms out-of-bounds write in the ORCAreader: a different malformed-input path produced the same class ofwrite past the end of the...

Open Babel has uninitialized pointer dereference in GRO residue parser

SummaryA memory-safety vulnerability in Open Babel's GRO parser caused anuninitialized pointer dereference when reading a crafted input file. DetailsThe flaw was in the residue handling of the GRO reader. A malformedrecord caused the parser to use a residue pointer that had never beeninitialized...

Open Babel has out-of-bounds write in MSI translationVectors[]

SummaryA memory-safety vulnerability in Open Babel's MSI parser allowed anout-of-bounds write into the translationVectors array whenreading a crafted input file. DetailsThe MSI reader stored cell translation vectors into a fixed-sizetranslationVectors array. A malformed input could push morevecto...

Open Babel has uninitialized pointer dereference in MSI atom parser

SummaryA memory-safety vulnerability in Open Babel's MSI parser caused anuninitialized pointer dereference when reading a crafted input file. DetailsThe flaw was in the atom handling of the MSI reader. A malformedrecord caused the parser to dereference an atom pointer that hadnever been...

Open Babel has out-of-bounds write in ORCA nAtoms parser

SummaryA memory-safety vulnerability in Open Babel's ORCA parser allowed anout-of-bounds write when reading a crafted input file. DetailsThe flaw was in the nAtoms handling of the ORCA reader. A malformedinput caused the parser to write past the end of its destinationbuffer. ImpactOpen Babel is a...

Open Babel has out-of-bounds write in MOPAC translationVectors[] (FINAL POINT)

SummaryA memory-safety vulnerability in Open Babel's MOPAC output parserallowed an out-of-bounds write into the translationVectors arraywhen reading the "FINAL POINT" block of a crafted input file. DetailsThe MOPAC output reader stored translation vectors from the FINALPOINT block into a fixed-si...

Open Babel has out-of-bounds write in Gaussian coords_type orientation parser

SummaryA memory-safety vulnerability in Open Babel's Gaussian output parserallowed an out-of-bounds write when reading a crafted input file. DetailsThe flaw was in the coordstype orientation parser inside theGaussian output reader. A malformed orientation block caused theparser to write past the...

Open Babel has NULL pointer dereference in ChemKinFormat::ReadReactionQualifierLines

SummaryA memory-safety vulnerability in Open Babel's ChemKin parser causeda NULL pointer dereference when reading a crafted input file. DetailsThe flaw was in ChemKinFormat::ReadReactionQualifierLines. Amalformed reaction qualifier record caused the parser to dereferencea NULL pointer. ImpactOpen...

Open Babel has out-of-bounds write (overlapping memcpy) in zipstream basic_unzip_streambuf::underflow

SummaryA memory-safety vulnerability in Open Babel's bundled zipstreamdecompression code caused an out-of-bounds write via overlappingmemcpy when reading a crafted gzip-compressed chemistry file. DetailsThe flaw was in basicunzipstreambuf::underflow. The decompressionbuffer refill path invoked...

Open Babel has a NULL pointer dereference in CDXML OBAtom::GetExplicitValence

SummaryA memory-safety vulnerability in Open Babel's CDXML file format parsercaused a NULL pointer dereference when reading a crafted input file. DetailsThe flaw was in OBAtom::GetExplicitValence as called from the CDXMLparser. A malformed fragment caused the parser to invoke the methodon a NULL...

Open Babel has out-of-bounds write in CSR PadString (title field)

SummaryA memory-safety vulnerability in Open Babel's CSR parser allowed anout-of-bounds write when reading a crafted input file. DetailsThe flaw was in the PadString helper used to handle the CSR titlefield. A title longer than the fixed destination buffer caused theparser to write past the end o...

Open Babel has heap buffer overflow in SMILES OBSmilesParser::ParseSmiles

SummaryA memory-safety vulnerability in Open Babel's SMILES parser caused aheap buffer overflow when reading a crafted input string. DetailsThe flaw was in OBSmilesParser::ParseSmiles. A malformed SMILESinput caused the parser to write past the end of a heap-allocatedbuffer. ImpactOpen Babel is a...

Open Babel has Use-after-free in GAMESS GAMESSOutputFormat::ReadMolecule

SummaryA memory-safety vulnerability in Open Babel's GAMESS output parsercaused a use-after-free when reading a crafted input file. DetailsThe flaw was in GAMESSOutputFormat::ReadMolecule. A malformed inputcaused the parser to dereference a stale pointer after the underlyingobject had been freed...

mcp-memory-service: OAuth read-only clients can write and delete memories through MCP tools/call

SummaryThe HTTP MCP JSON-RPC endpoint at /mcp requires only OAuth read scope for all requests, then dispatches tools/call directly to handlers that include mutating tools. A read-only OAuth client can call storememory and deletememory through MCP even though the corresponding REST endpoints requi...

Open Babel has out-of-bounds read in PQS lowerit (pre-buffer read)

SummaryA memory-safety vulnerability in Open Babel's PQS parser caused anout-of-bounds pre-buffer read when reading a crafted input file. DetailsThe flaw was in the lowerit helper used by the PQS parser. Amalformed input caused the helper to read one or more bytes beforethe start of its input...

Open Babel has NULL pointer dereference in CACAO CacaoFormat::SetHilderbrandt

SummaryA memory-safety vulnerability in Open Babel's CACAO parser caused aNULL pointer dereference when reading a crafted input file. DetailsThe flaw was in CacaoFormat::SetHilderbrandt. A malformed inputcaused the parser to dereference a NULL pointer while applying theHilderbrandt transformation...

Open Babel has heap buffer overflow in ChemKin ChemKinFormat::CheckSpecies

SummaryA memory-safety vulnerability in Open Babel's ChemKin parser causeda heap buffer overflow when reading a crafted input file. DetailsThe flaw was in ChemKinFormat::CheckSpecies. A malformed speciesrecord caused the parser to write past the end of a heap-allocatedbuffer. ImpactOpen Babel is ...