CVE WatchJul 14, 2026

CVE-2026-49957

Hermes WebUI before version 0.51.296 contains a workspace boundary bypass vulnerability that allows authenticated attackers to circumvent bl

CVSS

7.7

High

EPSS

0.4%

p34

KEV

—

Exploit Today

0-100

Published: Jun 9, 2026 · Last modified: Jul 14, 2026 · CWE-22

EPSS · 30d

0.4%EPSS · 30 days0.4%

2026-06-302026-07-19

Technical description

Hermes WebUI before version 0.51.296 contains a workspace boundary bypass vulnerability that allows authenticated attackers to circumvent blocked-root path checks by exploiting an early return in the SSH/remote terminal profile workspace resolution logic within _remote_terminal_workspace_candidate(). Attackers can configure a remote terminal working directory to a system directory such as /etc, causing the workspace resolution path to accept it as a trusted local workspace root before the _is_blocked_workspace_path() guard executes, enabling read access to local system files through workspace file-read helpers.

Official references

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