EUVD-2026-42722

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 credentials. Attackers can create a session, attach a PTY shell, and write arbitra...

CVE-2026-58123 Hermes WebUI < 0.51.788 Unauthenticated RCE via Terminal API

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 credentials. Attackers can create a session, attach a PTY shell, and write arbitra...

CVE-2026-58123

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 credentials. Attackers can create a session, attach a PTY shell, and write arbitra...

CVE-2026-58174

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 session is persisted with a null profile. Because a null profile is treated ...

EUVD-2026-40355

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 session is persisted with a null profile. Because a null profile is treated ...

PT-2026-53925

Name of the Vulnerable Software and Affected Versions Hermes WebUI versions prior to 0.51.521 Description An authorization bypass occurs during the session import process. The /api/session/import endpoint validates the workspace of an imported session under the active named profile but fails to s...

CVE-2026-53871

Hermes WebUI before 0.51.368 contains an authorization bypass vulnerability in the getprofilecookie function that accepts unauthenticated profile names from the hermesprofile cookie. An authenticated attacker can forge the hermesprofile cookie value to bypass profile-scoped authorization checks a...

EUVD-2026-37779

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. The handlesessionexport handler in api/routes.py fails to verify active-profile ownership before serializing session...

CVE-2026-55197

Hermes WebUI before 0.51.443 has a broken access control weakness in the /api/session endpoint. Authenticated users can bypass profile boundaries and query session IDs from other profiles via GET /api/session?session_id=&messages=1 to retrieve unauthorized transcripts and metadata. This affects t...

EUVD-2026-37777

Hermes WebUI before 0.51.409 contains an authentication bypass vulnerability in passkey registration endpoints that allows unauthenticated remote attackers to register arbitrary passkeys. When HERMESWEBUIPASSKEY=1 is enabled with no existing credentials, POST /api/auth/passkey/register/options an...

CVE-2026-55196 Hermes WebUI < 0.51.409 - Unauthenticated Passkey Registration via Authentication Bypass

Hermes WebUI before 0.51.409 contains an authentication bypass vulnerability in passkey registration endpoints that allows unauthenticated remote attackers to register arbitrary passkeys. When HERMESWEBUIPASSKEY=1 is enabled with no existing credentials, POST /api/auth/passkey/register/options an...

EUVD-2026-37776

Hermes WebUI before 0.51.368 contains an authorization bypass vulnerability in the getprofilecookie function that accepts unauthenticated profile names from the hermesprofile cookie. An authenticated attacker can forge the hermesprofile cookie value to bypass profile-scoped authorization checks a...

CVE-2026-53871 Hermes WebUI < 0.51.368 - Profile-Scoped Authorization Bypass via Forged hermes_profile Cookie

Hermes WebUI before 0.51.368 contains an authorization bypass vulnerability in the getprofilecookie function that accepts unauthenticated profile names from the hermesprofile cookie. An authenticated attacker can forge the hermesprofile cookie value to bypass profile-scoped authorization checks a...

CVE-2026-53871 Hermes WebUI < 0.51.368 - Profile-Scoped Authorization Bypass via Forged hermes_profile Cookie

Hermes WebUI before 0.51.368 contains an authorization bypass vulnerability in the getprofilecookie function that accepts unauthenticated profile names from the hermesprofile cookie. An authenticated attacker can forge the hermesprofile cookie value to bypass profile-scoped authorization checks a...

PT-2026-50521

Name of the Vulnerable Software and Affected Versions Hermes WebUI versions prior to 0.51.409 Description An authentication bypass exists in passkey registration endpoints. When HERMES WEBUI PASSKEY=1 is enabled and no credentials exist, unauthenticated remote attackers can register arbitrary...

PT-2026-50523

Name of the Vulnerable Software and Affected Versions Hermes WebUI versions prior to 0.51.443 Description An authorization bypass exists in the session export endpoint, allowing authenticated users to access sessions belonging to other profiles. The handle session export function in 'api/routes.p...

Hermes Web UI 访问控制错误漏洞

Hermes Web UI is a lightweight, dark-themed web interface developed by Nathan Esquenazi. Versions of Hermes Web UI prior to 0.51.358 contained an access control vulnerability. This vulnerability stemmed from improper access control measures, allowing unauthorized remote attackers to initial...

EUVD-2026-35497

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-profile filtering. Attackers can send requests to the sessions search handler to...

EUVD-2026-35494

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 completing assertion. Attackers can send unlimited POST requests to the...

CVE-2026-49957

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 remoteterminalworkspacecandidate...