Path traversal in pymdown-extensions - CVE-2026-61632
Published: July 13, 2026
Vulnerability identifier: #VU137384
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-61632
CWE-ID: CWE-22
Exploitation vector: Remote access
Exploit availability:
Public exploit is available
Vulnerability details
The vulnerability allows a remote attacker to perform directory traversal attacks.
The vulnerability exists due to input validation error when processing directory traversal sequences in the b64 extension. A remote attacker can send a specially crafted HTTP request and read arbitrary files on the system.
Affected software
pymdown-extensions
How to mitigate CVE-2026-61632
Install updates from vendor's website.
pymdown-extensions - update to 11.0