PT-2026-55696

Name of the Vulnerable Software and Affected Versions NousResearch hermes-agent versions prior to 2026.4.31 Description A weakness in the HTTP API component allows a remote attacker to cause a denial of service. The issue exists within the AIAgent.run conversation function located in the run...

CVE-2026-14617

A security vulnerability has been detected in NousResearch hermes-agent up to 2026.4.30. Affected is the function GatewayStreamConsumer.filterandaccumulate of the file gateway/streamconsumer.py of the component Streaming Reasoning Tag Filter. The manipulation leads to improper handling of case...

CVE-2026-14617

A security vulnerability has been detected in NousResearch hermes-agent up to 2026.4.30. Affected is the function GatewayStreamConsumer.filterandaccumulate of the file gateway/streamconsumer.py of the component Streaming Reasoning Tag Filter. The manipulation leads to improper handling of case...

CVE-2026-14617 NousResearch hermes-agent Streaming Reasoning Tag Filter stream_consumer.py GatewayStreamConsumer._filter_and_accumulate case sensitivity

A security vulnerability has been detected in NousResearch hermes-agent up to 2026.4.30. Affected is the function GatewayStreamConsumer.filterandaccumulate of the file gateway/streamconsumer.py of the component Streaming Reasoning Tag Filter. The manipulation leads to improper handling of case...

CVE-2026-14617

CVE-2026-14617 affects NousResearch hermes-agent (up to 2026.4.30). The issue resides in GatewayStreamConsumer._filter_and_accumulate (gateway/stream_consumer.py) within the Streaming Reasoning Tag Filter, where improper handling of case sensitivity is reported as the underlying root cause. The v...

CVE-2026-14617 NousResearch hermes-agent Streaming Reasoning Tag Filter stream_consumer.py GatewayStreamConsumer._filter_and_accumulate case sensitivity

A security vulnerability has been detected in NousResearch hermes-agent up to 2026.4.30. Affected is the function GatewayStreamConsumer.filterandaccumulate of the file gateway/streamconsumer.py of the component Streaming Reasoning Tag Filter. The manipulation leads to improper handling of case...

PT-2026-55660

Name of the Vulnerable Software and Affected Versions NousResearch hermes-agent versions prior to 2026.4.31 Description An issue exists in the Streaming Reasoning Tag Filter component within the GatewayStreamConsumer. filter and accumulate function located in the gateway/stream consumer.py file...

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 ...

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 ...

CVE-2026-58174 Hermes WebUI < 0.51.521 - Cross-Profile Authorization Bypass via Unset Session Profile on Import

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 ...

CVE-2026-58174 Hermes WebUI < 0.51.521 - Cross-Profile Authorization Bypass via Unset Session Profile on Import

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-2026-55205 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...

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-2026-37829

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...

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...

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...

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...