pypdf: Possible infinite loop when retrieving fonts for layout-mode text extraction

ImpactAn attacker who uses this vulnerability can craft a PDF which leads to an infinite loop. This requires extracting the text in layout mode. PatchesThis has been fixed in pypdf==6.13.0. WorkaroundsIf you cannot upgrade yet, consider applying the changes from PR 3830...

PYSEC-2026-3025 pypdf: Manipulated XMP metadata streams can exhaust RAM

Impact An attacker who uses this vulnerability can craft a PDF which leads to large memory usage. This requires parsing large XMP metadata, possibly with lots of unnecessary elements. Patches This has been fixed in pypdf==6.12.1. Workarounds If you cannot upgrade yet, consider applying the change...

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...

vantage6 node has an Improper Access Control issue

ImpactMalicious algorithms can potentially access other algorithms input and output files. PatchesTodo WorkaroundsVerify and restrict the algorithm containers that are allowed to run on your node. See here on how to do this. Referenceshttps://docs.vantage6.ai/usage/running-the-node/security For...

Weblate: Stored HTML injection in editor search preview

ImpactWeblate's live search preview renders unit source and context as HTML without escaping. Any contributor whose content reaches those fields stores HTML and CSS that runs inside the authenticated editor of every user who runs a matching search. Patches...

PYSEC-2026-2328 Aegra has cross-user run injection in /threads/{thread_id}/runs (IDOR)

Impact Aegra deployments running 0.9.0 through 0.9.6 with multiple authenticated users on a shared instance are vulnerable to a cross-tenant IDOR. Any authenticated user User A, given another user's threadid User B, can: - Execute graph runs against User B's thread via POST /threads/threadid/runs...

Magic Wormhole: receive, with --output pointing at an existing directory can be path-traversed

ImpactA receiver who specifies "--output " where that output directory currently exists as a directory. Patches0.24.0 will contain the patch WorkaroundsEnsure local target directories specified by "--output" do not already exist ResourcesPrivate email and Signal communications from a user.Magic...

PYSEC-2026-2682 Jupyter Notebook Vulnerable to Authentication Token Theft via CommandLinker XSS

Impact A stored Cross-Site Scripting XSS vulnerability in Jupyter Notebook allows attackers to steal authentication tokens from users who open malicious notebook files and interact with elements that the attacker can make look indistinguishable from legitimate controls single click interaction. T...

PYSEC-2026-2599 LiteLLM: Authenticated command execution via MCP stdio test endpoints

Impact Two endpoints used to preview an MCP server before saving it — POST /mcp-rest/test/connection and POST /mcp-rest/test/tools/list — accepted a full server configuration in the request body, including the command, args, and env fields used by the stdio transport. When called with a stdio...

LiteLLM: Authenticated command execution via MCP stdio test endpoints

ImpactTwo endpoints used to preview an MCP server before saving it — POST /mcp-rest/test/connection and POST /mcp-rest/test/tools/list — accepted a full server configuration in the request body, including the command, args, and env fields used by the stdio transport. When called with a stdio...

Home Assistant Command-line Interface: Handling of user-supplied Jinja2 templates

ImpactUp to 1.0.0 of home-assitant-cli or hass-cli for short an unrestricted environment was used to handle Jninja2 templates instead of a sandboxed one. The user-supplied input within Jinja2 templates was rendered locally with no restrictions. This gave users access to Python's internals and...

alerta-server has potential SQL Injection vulnerability in Query String Syntax (q=) API

ImpactThe Query string search API q= was vulnerable to SQL injection via the Postgres query parser, which built WHERE clauses by interpolating user-supplied search terms directly into SQL strings via f-strings. PatchesFixed in v9.1.0. The Postgres query parser now uses parameterized queries with...

pypdf: manipulated stream length values can exhaust RAM

ImpactAn attacker who uses this vulnerability can craft a PDF which leads to large memory usage. This requires parsing a content stream with a rather large /Length value, regardless of the actual data length inside the stream. PatchesThis has been fixed in pypdf==6.8.0. WorkaroundsIf you cannot...

PYSEC-2026-3027 pypdf: Manipulated FlateDecode XFA streams can exhaust RAM

Impact An attacker who uses this vulnerability can craft a PDF which leads to the RAM being exhausted. This requires accessing the xfa property of a reader or writer and the corresponding stream being compressed using /FlateDecode. Patches This has been fixed in pypdf==6.7.3. Workarounds If...

PYSEC-2026-3005 pypdf has a possible infinite loop when loading circular /Prev entries in cross-reference streams

Impact An attacker who uses this vulnerability can craft a PDF which leads to an infinite loop. This requires reading the file. Patches This has been fixed in pypdf==6.7.2. Workarounds If users cannot upgrade yet, consider applying the changes from PR 3655...

yt-dlp: Arbitrary Command Injection when using the `--netrc-cmd` option

SummaryWhen yt-dlp's --netrc-cmd command-line option or netrccmd Python API parameter is used, an attacker could achieve arbitrary command injection on the user's system with a maliciously crafted URL. Impactyt-dlp maintainers assume the impact of this vulnerability to be high for anyone who uses...

PYSEC-2026-3432 yt-dlp: Arbitrary Command Injection when using the `--netrc-cmd` option

Summary When yt-dlp's --netrc-cmd command-line option or netrccmd Python API parameter is used, an attacker could achieve arbitrary command injection on the user's system with a maliciously crafted URL. Impact yt-dlp maintainers assume the impact of this vulnerability to be high for anyone who us...

PYSEC-2026-3013 pypdf has a possible infinite loop when processing TreeObject

Impact An attacker who uses this vulnerability can craft a PDF which leads to an infinite loop. This requires accessing the children of a TreeObject, for example as part of outlines. Patches This has been fixed in pypdf==6.7.1. Workarounds If you cannot upgrade yet, consider applying the changes...

PYSEC-2026-2326 Access control vulnerable to user data deletion by anonynmous users

Impact Anonymous users can delete the user data maintained by an AccessControl.userfolder.UserFolder which may prevent any privileged access. Patches The problem is fixed in version 7.2. Workarounds The problem can be fixed by adding dataroles = to AccessControl.userfolder.UserFolder. References...

PYSEC-2026-2453 Docassemble unauthorized access through URL manipulation

Impact The vulnerability allows attackers to gain unauthorized access to information on the system through URL manipulation. It affects versions 1.4.53 to 1.4.96. Patches The vulnerability has been patched in version 1.4.97 of the master branch. The Docker image on docker.io has been patched...