Authlib: JWS/JWT accepts unknown crit headers (RFC violation → possible authz bypass)

SummaryAuthlib’s JWS verification accepts tokens that declare unknown critical header parameters crit, violating RFC 7515 “must‑understand” semantics. An attacker can craft a signed token with a critical header for example, bork or cnf that strict verifiers reject but Authlib accepts. In...

llama-index-core insecurely handles temporary files

The llama-index-core package, up to version 0.12.44, contains a vulnerability in the getcachedir function where a predictable, hardcoded directory path /tmp/llamaindex is used on Linux systems without proper security controls. This vulnerability allows attackers on multi-user systems to steal...

Indico vulnerable to Cross-Site Scripting via LaTeX math code

ImpactThere is a Cross-Site-Scripting vulnerability when rendering LaTeX math code in contribution or abstract descriptions. PatchesYou should to update to Indico 3.3.8 as soon as possible.See the docs for instructions on how to update. WorkaroundsOnly let trustworthy users create content on...

Hugging Face Transformers is vulnerable to ReDoS through its MarianTokenizer

A Regular Expression Denial of Service ReDoS vulnerability was discovered in the Hugging Face Transformers library, specifically affecting the MarianTokenizer's removelanguagecode method. This vulnerability is present in version 4.52.4 and has been fixed in version 4.53.0. The issue arises from...

Indico may disclose unauthorized user details access via legacy API

ImpactA legacy API to retrieve user details could be misused to retrieve profile details of other users without having admin permissions due to a broken access check. PatchesYou should to update to Indico 3.3.8 as soon as possible.See the docs for instructions on how to update. WorkaroundsIt is...

xml2rfc is vulnerable to arbitrary file reads through prepped files

ImpactWhen generating PDF files, this vulnerability allows an attacker to read arbitrary files from the filesystem by injecting malicious link element into the prepped RFCXML. WorkaroundsTest untrusted input with link elements with rel="attachment" before processing. ReferencesThis is related to...

Neo4j Cypher MCP server is vulnerable to DNS rebinding

ImpactDNS rebinding vulnerability in Neo4j Cypher MCP server allows malicious websites to bypass Same-Origin Policy protections and execute unauthorised tool invocations against locally running Neo4j MCP instances. The attack relies on the user being enticed to visit a malicious website and spend...

SGLang Remote Code Execution Vulnerability via Unsafe Deserialization in update_weights_from_tensor

A security flaw has been discovered in lmsys sglang 0.4.6. Affected by this vulnerability is the function main of the file /updateweightsfromtensor. The manipulation of the argument serializednamedtensors results in deserialization. The attack can be launched remotely. The exploit has been releas...

OctoPrint is Vulnerable to RCE Attacks via Unsanitized Filename in File Upload

ImpactOctoPrint versions up until and including 1.11.2 contain a vulnerability that allows an authenticated attacker to upload a file under a specially crafted filename that will allow arbitrary command execution if said filename becomes included in a command defined in a system event handler and...

copyparty: Sharing a single file does not fully restrict access to other files in source folder

There was a missing permission-check in the shares feature the shr global-option.When a share is created for just one file inside a folder, it was possible to access the other files inside that folder by guessing the filenames.It was not possible to descend into subdirectories in this manner; onl...

PyInstaller has local privilege escalation vulnerability

ImpactDue to a special entry being appended to sys.path during the bootstrap process of a PyInstaller-frozen application, and due to the bootstrap script attempting to load an optional module for bytecode decryption while this entry is still present in sys.path, an application built with...

Fides Webserver API is Vulnerable to OAuth Client Privilege Escalation

SummaryThe OAuth client creation and update endpoints of the Fides Webserver API do not properly authorize scope assignment. This allows highly privileged users with client:create or client:update permissions to escalate their privileges to owner-level. DetailsWhen creating or updating OAuth...

Infrahub: Deleted and expired API tokens can still authenticate

ImpactA bug in the authentication logic will cause API tokens that were deleted and/or expired to be considered valid. This means that any API token that is associated with an active user account can authenticate successfully. PatchesThis issue is fixed in versions 1.3.9 and 1.4.5 WorkaroundsUser...

Flask App Builder has an Authentication Bypass vulnerability when using non AUTH_DB methods

ImpactWhen Flask-AppBuilder is configured to use OAuth, LDAP, or other non-database authentication methods, the password reset endpoint remains registered and accessible, despite not being displayed in the user interface. This allows an enabled user to reset their password and be able to create J...

TkEasyGUI Affected by Uncontrolled Search Path Element Issue

Uncontrolled search path element issue exists in TkEasyGUI versions prior to v1.0.22. If this vulnerability is exploited, arbitrary code may be executed with the privilege of running the program...

Fides has a Lack of Brute-Force Protections on Authentication Endpoints

SummaryThe Fides Admin UI login endpoint relies on a general IP-based rate limit for all API traffic and lacks specific anti-automation controls designed to protect against brute-force attacks. This could allow attackers to conduct credential testing attacks, such as credential stuffing or passwo...

Fides Webserver API Rate Limiting Vulnerability in Proxied Environments

SummaryThe Fides Webserver API's built-in IP-based rate limiting is ineffective in environments with CDNs, proxies or load balancers. The system incorrectly applies rate limits based on directly connected infrastructure IPs rather than client IPs, and stores counters in-memory rather than in a...

MobSF Path Traversal in GET /download/<filename> using absolute filenames

SummaryThe GET /download/ route uses string path verification via os.path.commonprefix, which allows an authenticated user to download files outside the DWDDIR download directory from "neighboring" directories whose absolute paths begin with the same prefix as DWDDIR e.g., .../downloadsbak,...

xgrammar vulnerable to denial of service by huge enum grammar

SummaryProvided grammar, would fit in a context window of most of the models, but takes minutes to process in 0.1.23. In testing with 0.1.16 the parser worked fine so this seems to be a regression caused by Earley parser. DetailsFull reproducer provider in the POC section. The resulting grammar i...

Fides' Admin UI User Password Change Does Not Invalidate Current Session

SummaryAdmin UI user password changes in Fides do not invalidate active user sessions, creating a vulnerability chaining opportunity where attackers who have obtained session tokens through other attack vectors such as XSS can maintain access even after password reset. This issue is not directly...

Weblate has a long session expiry when verifying second factor

ImpactThe verification of the second factor had too long a session expiry. The long session expiry could be used to circumvent rate limiting of the second factor. PatchesThis issue has been addressed in Weblate 5.13.1 via https://github.com/WeblateOrg/weblate/pull/16002. ReferencesThanks to Nahid...

pgadmin4 is affected by a Cross-Origin Opener Policy (COOP) vulnerability

pgAdmin = 9.7 is affected by a Cross-Origin Opener Policy COOP vulnerability.This vulnerability allows an attacker to manipulate the OAuth flow,potentially leading to unauthorised account access, account takeover, data breaches, and privilege escalation...

Langchain Community Vulnerable to XML External Entity (XXE) Attacks

The langchain-ai/langchain project, specifically the EverNoteLoader component, is vulnerable to XML External Entity XXE attacks due to insecure XML parsing. The vulnerability arises from the use of etree.iterparse without disabling external entity references, which can lead to sensitive informati...

MobSF Vulnerable to Arbitrary File Write (AR-Slip) via Absolute Path in .a Extraction

SummaryThe vulnerability allows any user to overwrite any files available under the account privileges of the running process. DetailsAs part of static analysis, iOS MobSF supports loading and parsing statically linked libraries .a. When parsing such archives, the code extracts the embedded objec...

Picklescan has a missing detection when calling built-in python idlelib.autocomplete.AutoComplete.get_entity

SummaryUsing idlelib.autocomplete.AutoComplete.getentity, which is a built-in python library function to execute remote pickle file. DetailsThe attack payload executes in the following steps:First, the attacker craft the payload by calling to idlelib.autocomplete.AutoComplete.getentity function i...

Picklescan has a missing detection when calling built-in python idlelib.debugobj.ObjectTreeItem

SummaryUsing idlelib.debugobj.ObjectTreeItem.SetText, which is a built-in python library function to execute remote pickle file. DetailsThe attack payload executes in the following steps:First, the attacker craft the payload by calling to idlelib.debugobj.ObjectTreeItem.SetText function in reduce...

Exiv2 Segmentation Faults in Exiv2::EpsImage::writeMetadata() via crafted EPS file

ImpactAn out-of-bounds read was found in Exiv2 versions v0.28.5 and earlier. Exiv2 is a command-line utility and C++ library for reading, writing, deleting, and modifying the metadata of image files. The out-of-bounds read is triggered when Exiv2 is used to write metadata into a crafted image fil...

xml2rfc has an arbitrary file read vulnerability

ImpactWhen generating PDF files, this vulnerability allows an attacker to read arbitrary files from the filesystem by injecting malicious link element into the XML. WorkaroundsTest untrusted input with link elements with rel="attachment" before processing. CreditsThis vulnerability was reported b...

ESP-IDF web_server basic auth bypass using empty or incomplete Authorization header

SummaryOn the ESP-IDF platform, ESPHome's webserver authentication check can pass incorrectly when the client-supplied base64-encoded Authorization value is empty or is a substring of the correct value e.g., correct username with partial password. This allows access to webserver functionality...

Picklescan has a missing detection when calling built-in python idlelib.calltip.Calltip

SummaryUsing idlelib.calltip.Calltip.fetchtip, which is a built-in python library function to execute remote pickle file. DetailsThe attack payload executes in the following steps:First, the attacker craft the payload by calling to idlelib.calltip.Calltip.fetchtip function in reduce methodThen wh...

Eventlet affected by HTTP request smuggling in unparsed trailers

ImpactThe Eventlet WSGI parser is vulnerable to HTTP Request Smuggling due to improper handling of HTTP trailer sections.This vulnerability could enable attackers to:- Bypass front-end security controls- Launch targeted attacks against active site users- Poison web caches PatchesProblem has been...

Picklescan is missing detection when calling built-in python ensurepip._run_pip

SummaryUsing ensurepip.runpip function, which is a built-in python library function to execute remote pickle file. DetailsThe attack payload executes in the following steps:First, the attacker craft the payload by calling to ensurepip.runpip function in reduce methodThen when the victim after...

Exiv2 has quadratic performance in ICC profile parsing in JpegBase::readMetadata

ImpactA denial-of-service was found in Exiv2 version v0.28.5: a quadratic algorithm in the ICC profile parsing code in jpegBase::readMetadata can cause Exiv2 to run for a long time. Exiv2 is a command-line utility and C++ library for reading, writing, deleting, and modifying the metadata of image...

LlamaIndex affected by a Denial of Service (DOS) in JSONReader

A denial of service vulnerability exists in the JSONReader component of the run-llama/llamaindex repository, specifically in version v0.12.37. The vulnerability is caused by uncontrolled recursion when parsing deeply nested JSON files, which can lead to Python hitting its maximum recursion depth...

vLLM has remote code execution vulnerability in the tool call parser for Qwen3-Coder

SummaryAn unsafe deserialization vulnerability allows any authenticated user to execute arbitrary code on the server if they are able to get the model to pass the code as an argument to a tool call. Details vLLM's Qwen3 Coder tool parser contains a code execution path that uses Python's eval...

Copier's safe template has arbitrary filesystem read/write access

ImpactCopier's current security model shall restrict filesystem access through Jinja:- Files can only be read using % include ... %, which is limited by Jinja to reading files from the subtree of the local template clone in our case.- Files are written in the destination directory according to...

PyPDF's Manipulated FlateDecode streams can exhaust RAM

ImpactAn attacker who uses this vulnerability can craft a PDF which leads to the RAM being exhausted. This requires just reading the file if a series of FlateDecode filters is used on a malicious cross-reference stream. Other content streams are affected on explicit access. PatchesThis has been...

Apache Superset's chart visualization has a stored Cross-Site Scripting (XSS) vulnerability

A stored Cross-Site Scripting XSS vulnerability exists in Apache Superset's chart visualization. An authenticated user with permissions to edit charts can inject a malicious payload into a column's label. The payload is not properly sanitized and gets executed in the victim's browser when they...

Apache Superset has bypass of `DISALLOWED_SQL_FUNCTIONS` that allows execution of blocked SQL functions

A bypass of the DISALLOWEDSQLFUNCTIONS security feature in Apache Superset allows for the execution of blocked SQL functions. An attacker can use a special inline block to circumvent the denylist. This allows a user with SQL Lab access to execute functions that were intended to be disabled, leadi...

Apache Superset data query improperly discloses database schema information to low-privileged guest user

When a guest user accesses a chart in Apache Superset, the API response from the /chart/data endpoint includes a query field in its payload. This field contains the underlying query, which improperly discloses database schema information, such as table names, to the low-privileged guest user.This...

vllm API endpoints vulnerable to Denial of Service Attacks

SummaryA Denial of Service DoS vulnerability can be triggered by sending a single HTTP GET request with an extremely large header to an HTTP endpoint. This results in server memory exhaustion, potentially leading to a crash or unresponsiveness. The attack does not require authentication, making i...

OMERO.web displays unecessary user information when requesting password reset

BackgroundIf an error occurred when resetting a user's password using the Forgot Password option in OMERO.web, the error message displayed on the Web page can disclose information about the user. ImpactOMERO.web before 5.29.1 PatchesUser should upgrade to 5.29.2 or higher WorkaroundsDisable the...

XGrammar affected by Denial of Service by infinite recursion grammars

SummaryThis issue: http://github.com/mlc-ai/xgrammar/issues/250 should have it's own security advisory. Since several tools accept and pass user supplied grammars to xgrammar, and it is so easy to trigger it seems like a High...

Langflow Vulnerable to Privilege Escalation via CLI Superuser Creation (Post-RCE)

This vulnerability was discovered by researchers at Check Point. We are sharing this report as part of a responsible disclosure process and are happy to assist in validation and remediation if needed. SummaryA privilege escalation vulnerability exists in Langflow containers where an authenticated...

Denial-of-Service attack in pyLoad CNL Blueprint using dukpy.evaljs

Dear Maintainers,I am writing to you on behalf of the Tencent AI Sec. We have identified a potential vulnerability in one of your products and would like to report it to you for further investigation and mitigation. SummaryThe jk parameter is received in pyLoad CNL Blueprint. Due to the lack of j...

Apache Superset allows authenticated users to discover metadata about datasources they don't have permission to access

Apache Superset contains an improper access control vulnerability in its /explore endpoint. A missing authorization check allows an authenticated user to discover metadata about datasources they do not have permission to access. By iterating through the datasourceid in the URL, an attacker can...

h2 allows HTTP Request Smuggling due to illegal characters in headers

SummaryHTTP/2 request splitting vulnerability allows attackers to perform request smuggling attacks by injecting CRLF characters into headers. This occurs when servers downgrade HTTP/2 requests to HTTP/1.1 without properly validating header names/values, enabling attackers to manipulate request...

Copier's safe template has filesystem write access outside destination path

ImpactCopier suggests that it's safe to generate a project from a safe template, i.e. one that doesn't use unsafe features like custom Jinja extensions which would require passing the --UNSAFE,--trust flag. As it turns out, a safe template can currently write files outside the destination path...

Hugging Face Transformers Regular Expression Denial of Service (ReDoS) vulnerability

A Regular Expression Denial of Service ReDoS vulnerability exists in the Hugging Face Transformers library, specifically in the converttfweightnametoptweightname function. This function, responsible for converting TensorFlow weight names to PyTorch format, uses a regex pattern /^/^// that can be...

Picklescan has pickle parsing logic flaw that leads to malicious pickle file bypass

DetailsThere's a parsing logic error in picklescan and modelscan while trying to deal with opcode STACKGLOBAL.Function listglobals when handling STACKGLOBAL at position n, it is expected to track two arguments but in wrong range. The loop only consider the range from 1 to n-1 but forgets to...