CVE-2026-49958

The record

Hermes WebUI before version 0.51.303 contains a time-of-check time-of-use (TOCTOU) race condition vulnerability in the git_discard function within api/workspace_git.py that allows attackers to delete files outside the configured workspace boundary by replacing a validated path component with a symlink after validation but before deletion. Attackers can substitute a workspace-controlled path component with a symlink pointing to an external directory between the safe_resolve_ws() validation step and the subsequent Path.unlink() or shutil.rmtree() deletion call, causing the delete operation to follow the symlink and remove arbitrary files outside the workspace.

Affected packages

Related vulnerabilities

• CVE-2026-53613 util-linux is a random collection of Linux utilities. CWE-367
• CVE-2026-53612 util-linux is a random collection of Linux utilities. CWE-367
• CVE-2026-67693 An issue in gnutls v.3.8.13 allows an attacker to obtain sensitive information via… CWE-367
• CVE-2026-106451 yawkat LZ4 Java provides LZ4 compression for Java. CWE-367
• CVE-2026-86805 A time-of-check to time-of-use (TOCTOU) race condition in the dynamic loader (ld.so) of… CWE-367
• CVE-2026-68488 A Time-of-check Time-of-use (TOCTOU) race condition leading to insecure symlink following… CWE-367
• CVE-2026-87554 Race condition in Chromoting in Google Chrome on on Windows prior to 153.0.8010.36… CWE-367
• CVE-2026-87523 Race condition in DataTransfer in Google Chrome prior to 153.0.8010.36 allowed a remote… CWE-367