Priority HIGH 81
Hermes WebUI before version 0.51.358 contains an improper access control vulnerability that allows unauthenticated remote attackers to hijack initial setup by submitting the _set_password parameter to the settings API en…
CVSS 4.0CRITICAL 9.2· Network · No auth · No interaction · EPSS 0.00543 · Published 2026-06-11 · Fixed in 0.51.358 CWE-306
Priority HIGH 70
Hermes WebUI before 0.51.468 contains a resource exhaustion vulnerability in the unauthenticated POST /api/onboarding/oauth/start endpoint that allows unbounded accumulation of in-memory flow state and daemon threads.
CVSS 4.0MEDIUM 6.9· Network · No auth · No interaction · EPSS 0.00524 · Published 2026-06-18 · Fixed in 0.51.468 CWE-770
Priority MEDIUM 64
Hermes WebUI before 0.51.443 contains an authorization bypass vulnerability in the session export endpoint that allows authenticated users to access sessions from other profiles.
CVSS 4.0HIGH 7.1· Network · Low privileges · No interaction · EPSS 0.00346 · Published 2026-06-17 · Fixed in 0.51.443 CWE-639
Priority MEDIUM 64
Hermes WebUI before 0.51.443 contains a broken access control vulnerability in the /api/session endpoint that allows authenticated users to disclose cross-profile session transcripts.
CVSS 4.0HIGH 7.1· Network · Low privileges · No interaction · EPSS 0.00346 · Published 2026-06-17 · Fixed in 0.51.443 CWE-639
Priority MEDIUM 64
Hermes WebUI before version 0.51.269 contains a profile isolation bypass vulnerability that allows authenticated users to access data belonging to other profiles by querying the session search endpoint without active-pro…
CVSS 4.0HIGH 7.1· Network · Low privileges · No interaction · EPSS 0.00272 · Published 2026-06-09 · Fixed in 0.51.269 CWE-862
Priority MEDIUM 64
Hermes WebUI prior to v0.51.221 contains a path traversal vulnerability that allows attackers to escape the workspace boundary by supplying symlinks that resolve to files or directories outside the designated workspace r…
CVSS 4.0HIGH 7.1· Network · Low privileges · No interaction · EPSS 0.00323 · Published 2026-06-04 · Fixed in 0.51.221 CWE-59
Priority MEDIUM 60
Hermes WebUI before 0.51.521 validates the workspace of an imported session under the active named profile but constructs the Session object without setting its profile in the /api/session/import handler, so the imported…
CVSS 4.0MEDIUM 6.0· Network · Low privileges · No interaction · EPSS 0.00451 · Published 2026-06-30 · Fixed in 0.51.521 CWE-732
Priority MEDIUM 56
Hermes WebUI before 0.51.788 contains an unauthenticated remote code execution vulnerability that allows remote attackers to execute arbitrary shell commands by accessing the embedded terminal API endpoints without crede…
CVSS 4.0CRITICAL 9.3· Network · No auth · No interaction · EPSS 0.04649 · Published 2026-07-09 · Fixed in 0.51.788 CWE-306
Priority MEDIUM 53
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 co…
CVSS 4.0MEDIUM 4.3· Local · Low privileges · User interaction · EPSS 0.00081 · Published 2026-06-09 · Fixed in 0.51.303 CWE-367
Priority MEDIUM 48
Hermes WebUI before 0.51.307 contains an authentication bypass vulnerability that allows unauthenticated remote attackers to circumvent local-origin IP restrictions on onboarding endpoints by supplying a spoofed X-Forwar…
CVSS 4.0CRITICAL 9.3· Network · No auth · No interaction · EPSS 0.00373 · Published 2026-07-09 · Fixed in 0.51.307 CWE-348
Priority MEDIUM 41
Hermes WebUI before version 0.51.311 contains a remote code execution vulnerability that allows authenticated attackers to execute arbitrary commands by placing malicious executable Git configuration in a workspace repos…
CVSS 4.0HIGH 8.7· Network · Low privileges · No interaction · EPSS 0.00945 · Published 2026-06-09 · Fixed in 0.51.311 CWE-78
Priority LOW 39
Hermes WebUI before 0.51.368 contains an authorization bypass vulnerability in the get_profile_cookie() function that accepts unauthenticated profile names from the hermes_profile cookie.
CVSS 4.0HIGH 8.6· Network · Low privileges · No interaction · EPSS 0.00365 · Published 2026-06-17 · Fixed in 0.51.368 CWE-565
Priority LOW 37
Hermes WebUI before version 0.51.270 contains a resource exhaustion vulnerability that allows unauthenticated remote attackers to degrade service availability by repeatedly calling the passkey options endpoint without co…
CVSS 4.0MEDIUM 6.9· Network · No auth · No interaction · EPSS 0.00586 · Published 2026-06-09 · Fixed in 0.51.270 CWE-770
Priority LOW 28
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…
CVSS 4.0MEDIUM 6.3· Network · Low privileges · No interaction · EPSS 0.00421 · Published 2026-06-09 · Fixed in 0.51.296 CWE-22
Priority LOW 27
Hermes WebUI prior to 0.51.44 contains a path traversal vulnerability in the session import endpoint that allows authenticated attackers to read arbitrary files by importing a crafted session with an unrestricted workspa…
CVSS 4.0MEDIUM 6.0· Network · Low privileges · No interaction · EPSS 0.00376 · Published 2026-05-13 · Fixed in 0.51.44 CWE-22
Priority LOW 24
nesquena hermes-webui contains a trust-boundary failure vulnerability that allows authenticated attackers to set or change a session workspace to an arbitrary existing directory on disk by manipulating workspace path par…
CVSS 4.0MEDIUM 5.3· Network · Low privileges · No interaction · EPSS 0.0026 · Published 2026-04-21 · Fixed CWE-22
Priority LOW 21
nesquena hermes-webui contains an environment variable leakage vulnerability where profile switching does not clear environment variables from the previously active profile before loading the next profile.
CVSS 4.0MEDIUM 4.8· Local · Low privileges · No interaction · EPSS 0.00113 · Published 2026-04-21 · Fixed CWE-459