Decidim: JWT-backed authentication can be replayed across organizations

Description A JWT issued to an Org 1 account is accepted on the Org 2 API and can read the admin-only GraphQL participantDetails field for an Org 2 participant. The same trust-boundary problem also affects API-user authentication: an Org 1 API user can use a JWT on the Org 1 host and replay that...

Access Control Bypass

Overview Affected versions of this package are vulnerable to Access Control Bypass in the demographics questionnaire admin editor interface due to missing authorization checks on the /admin/demographics/questions route. An attacker can gain unauthorized access to administrative question-managemen...

PYSEC-2026-3035 Python Liquid: Infinite loop when parsing malformed `{% case %}` tags

Impact Given a malformed % case % tag without associated % when % or % else % block, and no terminating % endcase % tag, Python Liquid hangs in an infinite loop at parse time. This allows malicious template authors to craft templates for a denial of service attack. Patches The issue is fixed in...

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...

PYSEC-2026-3020 pypdf: Possible large memory usage for form XObjects during text extraction

Impact An attacker who uses this vulnerability can craft a PDF which leads to large memory usage. This requires extracting the text of a page which contains a form XObject with self-references. Patches This has been fixed in pypdf==6.12.2. Workarounds If you cannot upgrade yet, consider applying...

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...

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...

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...

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...

Progress MOVEit Transfer 2023.0.x / 2023.1.x < 2023.1.16 / 2024.0.x / 2024.1.x < 2024.1.7 / 2025.0.x < 2025.0.3 Uncontrolled Resource Consumption (October 2025)

The version of Progress MOVEit Transfer, formerly Ipswitch MOVEit DMZ, installed on the remote host is affected by an uncontrolled resource consumption vulnerability as referenced in Progress Community article 000291424. - Uncontrolled Resource Consumption vulnerability in Progress MOVEit Transfe...

Excon does not redact additional sensitive/risky headers when following redirects

Impact The redirect follower middleware previously failed to strip a number of headers that are known to be sensitive and did not provide a way to provide a custom list of headers to strip. What kind of vulnerability is it? Who is impacted? This could cause inadvertent leakage of sensitive data f...

PT-2026-57370

Name of the Vulnerable Software and Affected Versions Excon versions prior to 1.5.0 Description The RedirectFollower middleware fails to strip sensitive headers when following redirects and lacks a mechanism to define a custom list of headers to be removed. This behavior can lead to the inadverte...

PT-2026-57352

Impact The redirect follower middleware previously failed to strip a number of headers that are known to be sensitive and did not provide a way to provide a custom list of headers to strip. What kind of vulnerability is it? Who is impacted? This could cause inadvertent leakage of sensitive data f...

GHSA-MR9R-H354-966R Sylius: IDOR on Shop Payment Request API endpoints

Impact The GET /api/v2/shop/payment-requests/hash and PUT /api/v2/shop/payment-requests/hash endpoints look up the payment request solely by the hash from the URL. No ownership check is performed against the authenticated customer or the underlying order. An attacker who obtains a payment request...

GHSA-5597-7RMH-97Q5 Sylius: Cart FormComponent allows modification or deletion of an already-completed order

Impact A user opens the cart page in the browser. In the background, the order gets completed, e.g. an admin changes the status, or the user finalizes payment in another tab. The browser still displays the old cart: the LiveComponent is unaware the underlying order state has changed. If the user...