PYSEC-2026-2254

Pillow is a Python imaging library. Prior to 12.3.0, PIL/FontFile.py FontFile.compile assembled per-glyph images into a combined bitmap with Image.new"1", xsize, ysize without calling Image.decompressionbombcheck, allowing a font to trigger excessive allocation during conversion or saving. This...

Plone CMS Improper Session Management

Plone CMS before 3 places a base64 encoded form of the username and password in the ac cookie for all user accounts, which makes it easier for remote attackers to obtain access by sniffing the network...

Zope allows attackers to modify raw image and file data

Zope 2.2.0 through 2.2.4 does not properly protect a data updating method on Image and File objects, which allows attackers with DTML editing privileges to modify the raw data of these objects...

Out-of-bounds Read and Out-of-bounds Write in OpenCV

An issue was discovered in OpenCV before 3.4.7 and 4.x before 4.1.1 OpenCV-Python before 3.4.7.28 and 4.x before 4.1.1.26. There is an out of bounds read/write in the function HaarEvaluator::OptFeature::calc in modules/objdetect/src/cascadedetect.hpp, which leads to denial of service...

Malicious code in synago (PyPI)

Part of the "Hades" wave of the Shai-Hulud supply-chain campaign. On 2026-06-08,malicious phantom releases of synago were published to PyPI using stolencredentials. The package executes a bundled JavaScript payload via the Bunruntime on import that harvests and exfiltrates credentials and...

PYSEC-0000-CVE-2026-55255

Langflow is a tool for building and deploying AI-powered agents and workflows. Prior to 1.9.2, an Insecure Direct Object Reference IDOR vulnerability in /api/v1/responses endpoint allows an authenticated attacker to execute any flow belonging to another user by specifying the victim's flow ID in...

PYSEC-0000-CVE-2026-44546

daphne before 4.2.2 reconstructs a raw HTTP request from Twisted's parsed headers and feeds it to autobahn for WebSocket handshake processing. Twisted does not treat \x0b, \x0c, \x1c, \x1d, \x1e, or \x85 as header line separators, but autobahn decodes header values to str and calls splitlines. An...

PYSEC-2026-2261

In version 3.6.19 of prefecthq/prefect, an authentication bypass vulnerability exists due to the improper handling of URL path exemptions for health check probes. Specifically, the authentication middleware exempts any URL path ending with 'health' or 'ready' from authentication checks. This allo...

PYSEC-2026-184

Apache Airflow's official documentation at core-concepts/dag-run.html "Passing Parameters when triggering Dags" showed a verbatim BashOperatorbashcommand="echo value: dagrun.conf'conf1' " example without any quoting / sanitization warning. Dag authors who copied the pattern verbatim into...

PYSEC-2026-182

The partitioneddagruns endpoints in the Airflow UI enforced only asset-level access control, not per-Dag authorization. An authenticated UI/API user with global Asset:read permission could enumerate partition run state, schedule configuration, and asset wiring for Dags they were not authorized to...

PYSEC-2026-188

Authlib is a Python library which builds OAuth and OpenID Connect servers. Prior to 1.6.12 and 1.7.1, an unauthenticated open redirect in Authlib's OpenIDImplicitGrant and OpenIDHybridGrant authorization endpoint lets a remote attacker cause the authorization server to issue an HTTP 302 to an...

PYSEC-2026-2259

PlaywrightCapture is a simple replacement for splash using playwright. Prior to 1.39.6, PlaywrightCapture did not sufficiently restrict navigations and resource requests initiated by rendered pages. An attacker-controlled page could abuse browser-side redirection mechanisms, such as...

PYSEC-2026-22

The Elasticsearch logging provider, when configured with a host URL that embeds credentials for example https://user:[email protected]:9200, wrote the full host URL — including the embedded credentials — into task logs. Any user with task-log read permission could harvest the backend...

PYSEC-2026-50

An issue was discovered in 6.0 before 6.0.5 and 5.2 before 5.2.14.Response headers do not vary on cookies if a session is not modified, but SESSIONSAVEEVERYREQUEST is True. A remote attacker can steal a user's session after that user visits a cached public page.Earlier, unsupported Django series...

PYSEC-2026-109

pretalx is a conference planning tool. Prior to 2026.1.0, an unauthenticated attacker can send arbitrary HTML-rendered emails from a pretalx instance's configured sender address by embedding malformed HTML or markdown link syntax in a user-controlled template placeholder such as the account displ...

PYSEC-2026-2315

Weblate is a web based localization tool. In versions prior to 5.17, repository-boundary validation relies on string prefix checks on resolved absolute paths. In multiple code paths, the check uses startswith against the repository root path. This is not path-segment aware and can be bypassed whe...

PYSEC-2026-59

Emmett is a full-stack Python web framework designed with simplicity. From 2.5.0 to before 2.8.1, the RSGI static handler for Emmett's internal assets /emmett paths is vulnerable to path traversal attacks. An attacker can use ../ sequences eg /emmett/../rsgi/handlers.py to read arbitrary files...

PYSEC-2026-112

Products.isurlinportal is a replacement for isURLInPortal method in Plone. Prior to versions 2.1.0, 3.1.0, and 4.0.0, a url /login?camefrom=////evil.example may redirect to an external website after login. This issue has been patched in versions 2.1.0, 3.1.0, and 4.0.0...

PYSEC-2026-89

Python-Markdown version 3.8 contain a vulnerability where malformed HTML-like sequences can cause html.parser.HTMLParser to raise an unhandled AssertionError during Markdown parsing. Because Python-Markdown does not catch this exception, any application that processes attacker-controlled Markdown...

PYSEC-2026-163

Semantic Kernel, Microsoft's semantic kernel Python SDK, has a remote code execution vulnerability in versions prior to 1.39.4, specifically within the InMemoryVectorStore filter functionality. The problem has been fixed in version python-1.39.4. Users should upgrade this version or higher. As a...

PYSEC-2026-96

A critical vulnerability exists in the NLTK downloader component of nltk/nltk, affecting all versions. The unzipiter function in nltk/downloader.py uses zipfile.extractall without performing path validation or security checks. This allows attackers to craft malicious zip packages that, when...

A single post-release of dydx-v4-client contained obfuscated multi-stage loader

A PyPI user account compromised by an attacker and was able toupload a malicious version 1.1.5.post1 of the dydx-v4-client package.This version contains a highly obfuscated multi-stage loaderthat ultimately executes malicious code on the host system.While the final payload is not visible because ...

PYSEC-2026-107

The orjson.dumps function in orjson thru 3.11.4 does not limit recursion for deeply nested JSON documents...

PYSEC-2026-101

An issue in ollama v.0.12.10 allows a remote attacker to cause a denial of service via the GGUF decoder...

PYSEC-2025-206

pytorch v2.8.0 was discovered to contain an integer overflow in the component torch.nantonum-.long...

PYSEC-2022-43022

The d8s-asns package for Python, as distributed on PyPI, included a potential code-execution backdoor inserted by a third party. The backdoor is the democritus-html package. The affected version is 0.1.0...

PYSEC-2026-3982

GitPython before 3.1.60 fails to properly validate the git directory location, allowing attackers to impersonate the git directory using tracked files like gitdir, commondir, and HEAD. Attackers can execute arbitrary code by placing a malicious pre-commit hook in the tracked hooks directory that...

devpi-server may leak database contents

ImpactIf the replication protocol is enabled by using the primary or deprecated master role for a server instance, then the +changelog URL route can be used to read the complete database content including password hashes, and the ids and salts of tokens from devpi-tokens by using a trivially...

Open WebUI: Instance-wide stall via automation recurrence rules that force multi-second parsing

SummaryIn every affected release, automation recurrence parsing anchors minutely and hourly rules at a fixed date of 2000-01-01 and then walks forward one interval at a time to find the next run. A single FREQ=MINUTELY rule therefore enumerates roughly a quarter-century of occurrences,...

Keras: tar extraction permits symlink-based path traversal

A vulnerability in keras-team/keras version 3.12.0 allows an attacker to craft a malicious tar archive that bypasses the filtersafetarinfos validation in keras/src/utils/fileutils.py. Specifically, symlink entries are not subjected to the same ispathindir validation as regular file entries,...

datamodel-code-generator vulnerable to arbitrary local file read via JSON-Schema `$ref` (`file://` and `../` traversal), bypassing `--no-allow-remote-refs`

Summarydatamodel-code-generator resolves JSON-Schema $ref targets that point at the local filesystem without restricting them to the input/base directory and without honoring the remote-reference security control. In the default configuration, an attacker who controls an input schema a "paste you...

pypdf: Possible infinite loop when processing threads/articles in writer

ImpactAn attacker who uses this vulnerability can craft a PDF which leads to an infinite loop. This requires merging a file with threads/articles into a writer. PatchesThis has been fixed in pypdf==6.13.1. WorkaroundsIf users cannot upgrade yet, consider applying the changes from PR 3839...

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 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 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...

Glances: XML-RPC Multi-Origin CORS Configuration Silently Falls Back to Wildcard (Incomplete Fix for CVE-2026-33533)

SummaryThe Glances XML-RPC server glances -s introduced a configurable CORS origin list in version 4.5.3 as a mitigation for CVE 2026-33533. However, the implementation silently falls back to Access-Control-Allow-Origin: whenever corsorigins contains more than one entry. An operator who configure...

jupyterlab-git extension: Stored XSS leading to RCE

OverviewAmazon Web Services AWS Security has identified a stored cross-site scripting XSS issue in the jupyterlab-git JupyterLab extension that can lead to remote code execution RCE. The issue exists in thePlainTextDiff.ts component, where the createHeader method passes Git filenames directly to...

BBOT: Arbitrary File Write in postman_download Module

The postmandownload module uses the workspace name field from the Postman API to construct the local directory path without sanitization. If a malicious workspace has a name containing path traversal characters, pathlib resolves the path outside the intended output directory, allowing an attacker...

Open WebUI: Sibling-Prefix Path Traversal via /cache/{path}

SummaryA path traversal vulnerability exists in open-webui's cache file serving endpoint that allows any authenticated user to read files from sibling directories outside the intended cache directory, by exploiting an incomplete startswith containment check that lacks a trailing path separator.Th...

yt-dlp: File Downloader cookie leak with curl

SummaryIf curl is used an external downloader for yt-dlp, cookies may be leaked to an unintended host upon HTTP redirect or when the host for download fragments differs from their parent manifest's.This is the equivalent to GHSA-v8mc-9377-rwjj for the curl downloader. The vulnerable behavior is...

Open WebUI IDOR: Calendar event re-parenting allows writing events into another user's calendar

SummaryPOST /api/v1/calendars/events/eventid/update validates that the caller has write access to the calendar the event currently belongs to, but does not validate the destination calendarid supplied in the request body. The model layer then persists the new calendarid unconditionally.A regular...

LangChain: Path traversal and sandbox escape in LangChain file-search middleware and loaders

SummarySeveral LangChain components that resolve filesystem paths or expand search patterns do not consistently confine the resolved path to the intended root directory. Affected behaviors include: a file-search agent middleware that validates a starting directory but not the search pattern or th...

pypdf: Possible large memory usage for large offsets for layout mode text

ImpactAn attacker who uses this vulnerability can craft a PDF which leads to large memory usage. This requires extracting text in layout mode with large character offsets. PatchesThis has been fixed in pypdf==6.12.0. WorkaroundsIf developers are unable to immediately upgrade, they should consider...

Docling Core: Unsafe remote filename resolution

ImpactIn versions = 1.5.0, = 2.74.1 WorkaroundsIf upgrading is not immediately possible, avoid passing untrusted URLs into remote fetch functionality. References- Fix release: v2.74.1...

Jupyter Server vulnerable to Path Traversal via incorrect root directory boundary check in _get_os_path()

A path traversal vulnerability exists in jupyter-server version 2.17.0 due to an incorrect root directory boundary check in the getospath function within jupyterserver/services/contents/fileio.py. The check uses startswithroot without appending a trailing path separator, allowing sibling...

MLflow: Any authenticated user can enumerate all gateway secrets, endpoints, and model definitions

MLflow 3.9.0 with basic-auth --app-name basic-auth fails to enforce authorization checks for multiple Gateway API 'list' endpoints. Specifically, the BEFOREREQUESTHANDLERS dictionary in mlflow/server/auth/init.py does not include entries for ListGatewaySecretInfos, ListGatewayEndpoints, and...

praisonai-platform: Comment endpoints accept any issue_id without workspace ownership check, cross-workspace comment read and post IDOR

SummaryType: Insecure Direct Object Reference. The comment endpoints POST /workspaces/workspaceid/issues/issueid/comments and GET .../comments gate access on requireworkspacememberworkspaceid only, then call CommentService.createissueid=issueid, ... and CommentService.listforissueissueid without...

Apache Airflow: Authenticated users can bypass the `is_safe_url` check

A bug in the login redirect route in Apache Airflow allowed authenticated users to craft URLs that bypassed the issafeurl check, enabling redirection from a trusted Airflow domain to an attacker-controlled origin. Users are advised to upgrade to apache-airflow 3.2.2 or later. As a defense-in-dept...

PraisonAI has an Arbitrary File Write in Python API

Bug Report: Arbitrary File Write in Python API SummaryHidden metadata in a webpage causes PraisonAI agents to write attacker-controlled content to arbitrary paths. writefile skips path validation when workspace=None always None in production. AffectedPraisonAI = 4.6.37 pip install praisonai Root...

BoxLite has a Timeout Bypass Vulnerability

SummaryBoxLite is a sandbox service that allows users to create lightweight virtual machines Boxes and run OCI containers within them. BoxLite allows users to configure a timeout for services running inside the virtual machine. When the timeout is triggered, BoxLite sends a signal to kill the...