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CVE-2026-49957

Hermes WebUI < 0.51.296 Workspace Boundary Bypass via api/workspace.py PUBLISHED

Description (CNA)

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.

Affected (CNA)

Vendor / productVersions
nesquena / hermes-webuiaffected 0 before 0.51.296

CWE

CWE-22

References

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.