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CVE-2026-55205

Hermes WebUI < 0.51.468 - Resource Exhaustion via Unauthenticated OAuth Flow Endpoint PUBLISHED

Description (CNA)

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 thread resources, potentially triggering repeated outbound device-code requests to upstream OAuth providers.

Affected (CNA)

Vendor / productVersions
nesquena / hermes-webuiaffected 0 before 0.51.468; unaffected 0.51.468

CWE

CWE-770

References

ADP enrichment

CISA-ADP

No English description supplied.