CVE-2026-2020-SSRF-via-URL-Parser-Differential

CVE-2026-2020 – SSRF via URL Parser Differential Program Code Python vulnerableservice.py - Validates URL with urllib.parse, fetches with requests from flask import Flask, request import requests import urllib.parse app = Flaskname def isallowedurlurl: parsed = urllib.parse.urlparseurl Only allow...

Tornado: Open redirect via triple-slash redirect paths

Summary Due to differences in the way browsers and Python's urllib parse urls, browsers treat a string starting with three or more slashes as a protocol-level redirect, while urllib does not. This means that the 6.6.0 fix for the RedirectHandler open redirect CVE-2026-116578, commit cc75ab0e is...

CVE-2023-24329-PoC

CVE-2023-24329-PoC A short and inforamtional PoC on CVE-2023-24329: Python urllib parsing flaw. git clone https://github.com/H4R335HR/CVE-2023-24329-PoC cd CVE-2023-24329-PoC python3 CVE-2023-24329-PoC.py Based on research by Yebo Cao - https://pointernull.com/security/python-url-parse-problem.ht...

CVE-2026-124249

http.cookiejar.CookieJar deleted a stored cookie when a response carried an already expired Set-Cookie header for it, using the Domain and Path attributes from the header without consulting the cookie policy. A server could therefore delete cookies belonging to other domains from a shared cookie...

UBUNTU-CVE-2026-124249

http.cookiejar.CookieJar deleted a stored cookie when a response carried an already expired Set-Cookie header for it, using the Domain and Path attributes from the header without consulting the cookie policy. A server could therefore delete cookies belonging to other domains from a shared cookie...

CVE-2026-124249

http.cookiejar.CookieJar deleted a stored cookie when a response carried an already expired Set-Cookie header for it, using the Domain and Path attributes from the header without consulting the cookie policy. A server could therefore delete cookies belonging to other domains from a shared cookie...

CVE-2026-124249

The CPython http.cookiejar.CookieJar component is vulnerable to an Origin Validation Error (CWE-346). A server could delete stored cookies belonging to other domains from a shared cookie jar—such as the one used by urllib's HTTPCookieProcessor—by sending a response with an already expired Set-Coo...

EUVD-2026-120068

http.cookiejar.CookieJar deleted a stored cookie when a response carried an already expired Set-Cookie header for it, using the Domain and Path attributes from the header without consulting the cookie policy. A server could therefore delete cookies belonging to other domains from a shared cookie...

PT-2026-140421

Name of the Vulnerable Software and Affected Versions http.cookiejar.CookieJar affected versions not specified Description The http.cookiejar.CookieJar component deletes stored cookies when a response contains an already expired Set-Cookie header. This occurs because the system uses the Domain an...

CVE-2026-12944

CVE-2026-12944: Langflow 1.10.0 — urllib SSRF Langflow OSS ≤ 1.10.0 — vulnerability allowing arbitrary code execution via urllib.request / socket in custom components. The component scanner’s denylist missed these standard library modules. Fixed in 1.10.1 IBM. Severity : PR:L Publicly Reproducibl...

Astra Linux – vulnerability in python-django, python2.7

Packages python/cpython versions 0 through 3.6.13, 3.7.0 through 3.7.10, 3.8.0 through 3.8.8, and 3.9.0 through 3.9.2 are vulnerable to Web Cache Poisoning via urllib.parse.parseqsl and urllib.parse.parseqs. This vulnerability exploits a technique known as “parameter cloaking.” When an attacker i...

CentOS Linux 7 [TuxCare] Security Update: python3 / python3-debug / python3-devel / python3-idle / etc Multiple Vulnerabilities (CENTOS7:CLSA-2026:1777970333)

The CentOS Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare CENTOS7:CLSA-2026:1777970333 advisory. - The package python/cpython from 0 and before 3.6.13, from 3.7.0 and before 3.7.10, from 3.8.0 and before 3.8.8, from 3.9.0 and before...

Rocky Linux 8 [CIQ] Security Update: Cython-debugsource / PyYAML-debugsource / babel / numpy-debugsource / etc Multiple Vulnerabilities (crlsa-2022_1821)

The Rocky Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-20221821 advisory. python: urllib: Regular expression DoS in AbstractBasicAuthHandler CVE-2021-3733 python: ftplib should not use the host from the PASV response CVE-2021-418...

Rocky Linux 8 [CIQ] Security Update: Cython-debugsource / PyYAML-debugsource / numpy-debugsource / etc Multiple Vulnerabilities (crlsa-2022_1764)

The Rocky Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-20221764 advisory. python: urllib: Regular expression DoS in AbstractBasicAuthHandler CVE-2021-3733 python-lxml: HTML Cleaner allows crafted and SVG embedded scripts to pass...

CentOS Linux 6 [TuxCare] Security Update: python / python-devel / python-libs / python-test / python-tools / etc (CENTOS6:CLSA-2026:1777446306)

The CentOS Linux 6 host has packages installed that are affected by a vulnerability as referenced in the TuxCare CENTOS6:CLSA-2026:1777446306 advisory. - urllib in Python 2.x through 2.7.16 supports the localfile: scheme, which makes it easier for remote attackers to bypass protection mechanisms...

CentOS Linux 6 [TuxCare] Security Update: python / python-devel / python-libs / python-test / python-tools / etc Multiple Vulnerabilities (CENTOS6:CLSA-2026:1778769563)

The CentOS Linux 6 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare CENTOS6:CLSA-2026:1778769563 advisory. - Python 2.7.14 is vulnerable to a Heap-Buffer-Overflow as well as a Heap-Use-After-Free. Python versions prior to 2.7.14 may also be...

CVE-2026-12944

IBM Langflow OSS 1.0.0 through 1.10.0 can allow attackers to execute arbitrary Python code with root privileges UID=0 on the Langflow server by submitting components containing socket or urllib imports. This enables: 1 AWS credential theft via IMDSv1 SSRF with full IAM role permissions, 2 arbitra...

Security Bulletin: Incomplete Security Scanner Blocklist Enables Network-Based Code Execution

Summary A security vulnerability was identified in the code security scanner where the DANGEROUSIMPORTS blocklist incompletely addressed network-based code execution risks. While subprocess module imports were correctly blocked, socket and urllib standard library modules were omitted from the...

CVE-2026-12944

IBM Langflow OSS 1.0.0 through 1.10.0 can allow attackers to execute arbitrary Python code with root privileges UID=0 on the Langflow server by submitting components containing socket or urllib imports. This enables: 1 AWS credential theft via IMDSv1 SSRF with full IAM role permissions, 2 arbitra...

CVE-2026-12944 Incomplete Security Scanner Blocklist Enables Network-Based Code Execution

IBM Langflow OSS 1.0.0 through 1.10.0 can allow attackers to execute arbitrary Python code with root privileges UID=0 on the Langflow server by submitting components containing socket or urllib imports. This enables: 1 AWS credential theft via IMDSv1 SSRF with full IAM role permissions, 2 arbitra...