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-2026-58174: Incorrect Permission Assignment for Critical Resource

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 ...

hermes-next (>=0.1.0, <=0.7.1), openviking-curator (0.7.0) +1 more potentially affected by CVE-2026-13507 via openviking (>=0.3.24, <=0.4.23)

openviking PYPI version =0.3.24, =0.1.0, =0.7.1 - openviking-curator 0.7.0 - vikingbot 0.1.3 Source cves: CVE-2026-13507 Source advisory: SNYK:PYTHON-OPENVIKING-17751095...

EUVD-2026-37904

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. Attackers can send repeated or concurrent requests to exhaust server memory and...

CVE-2026-55205

Hermes WebUI prior to 0.51.468 is affected by a resource-exhaustion vulnerability in the unauthenticated POST /api/onboarding/oauth/start endpoint. The issue allows unbounded accumulation of in-memory flow state and daemon threads, enabling repeated or concurrent requests to exhaust server memory...

CVE-2026-55205 Hermes WebUI < 0.51.468 - Resource Exhaustion via Unauthenticated OAuth Flow Endpoint

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. Attackers can send repeated or concurrent requests to exhaust server memory and...

CVE-2026-55205 Hermes WebUI < 0.51.468 - Resource Exhaustion via Unauthenticated OAuth Flow Endpoint

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. Attackers can send repeated or concurrent requests to exhaust server memory and...

CVE-2026-37829

creationtimestamp| type| source ---|---|--- 2026-06-18 05:34:14+00:00| seen| https://bsky.app/profile/hermes71.bsky.social/post/3mok45gibfl2q 2026-06-18 14:03:52+00:00| seen| https://bsky.app/profile/hermes71.bsky.social/post/3mokympupar26...

CVE-2026-55205: Allocation of Resources Without Limits or Throttling

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. Attackers can send repeated or concurrent requests to exhaust server memory and...

GHSA-4PQM-J46F-795X Hermes Agent contains a DNS rebinding vulnerability in WebSocket endpoints that allows remote attackers to bypass Host and Origin validation

Hermes Agent before 0.16.0 contains a DNS rebinding vulnerability in WebSocket endpoints that allows remote attackers to bypass Host and Origin validation. FastAPI HTTP middleware does not execute for WebSocket upgrade requests on /api/pty, /api/ws, /api/pub, and /api/events endpoints, enabling...

Hermes Agent contains a DNS rebinding vulnerability in WebSocket endpoints that allows remote attackers to bypass Host and Origin validation

Hermes Agent before 0.16.0 contains a DNS rebinding vulnerability in WebSocket endpoints that allows remote attackers to bypass Host and Origin validation. FastAPI HTTP middleware does not execute for WebSocket upgrade requests on /api/pty, /api/ws, /api/pub, and /api/events endpoints, enabling...

GHSA-99F9-J8R3-P853 Hermes Agent creates response_store.db and webhook_subscriptions.json with world-readable permissions (mode 0o644)

Hermes Agent before 0.16.0 creates responsestore.db and webhooksubscriptions.json with world-readable permissions mode 0o644, exposing conversation history and HMAC secrets to local users. Attackers with local filesystem access can read these files directly to obtain sensitive data including...

Missing Authentication for Critical Function

Overview hermes-agent is a The self-improving AI agent — creates skills from experience, improves them during use, and runs anywhere Affected versions of this package are vulnerable to Missing Authentication for Critical Function in the handling of WebSocket upgrade requests on /api/pty, /api/ws,...

Incorrect Default Permissions

Overview hermes-agent is a The self-improving AI agent — creates skills from experience, improves them during use, and runs anywhere Affected versions of this package are vulnerable to Incorrect Default Permissions due to the creation of responsestore.db and webhooksubscriptions.json files with...

CVE-2026-55196

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-2026-55198

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 contains a broken access control vulnerability in the /api/session endpoint that allows authenticated users to disclose cross-profile session transcripts. Attackers can bypass profile boundary checks by directly querying session IDs belonging to other profiles via GET...

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...

CVE-2026-53870

Hermes Agent before 0.16.0 creates responsestore.db and webhooksubscriptions.json with world-readable permissions mode 0o644, exposing conversation history and HMAC secrets to local users. Attackers with local filesystem access can read these files directly to obtain sensitive data including...

CVE-2026-55198 Hermes WebUI < 0.51.443 - Cross-Profile Session Data Exfiltration via Session Export Endpoint

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...