CVE-2026-119705

EUVD-2026-114110
SerpBear before 3.1.1 contains a missing authentication vulnerability in pages/api/notify.ts that allows remote unauthenticated attackers to trigger notification emails because verifyUser() is never called. Attackers can repeatedly POST to /api/notify, optionally with a domain parameter, to exhaust SMTP rate limits, trigger provider abuse flags and flood recipients.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
5.3 MEDIUM
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Awaiting analysis
This vulnerability is currently awaiting analysis.
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
Common Weakness Enumeration
References
https://github.com/towfiqi/serpbear
https://github.com/towfiqi/serpbear/blob/v3.1.0/pages/api/notify.ts#L16-L21
https://github.com/towfiqi/serpbear/commit/12dc0a4bd91f06de2dab96f797c495942f7ef8c9
https://github.com/towfiqi/serpbear/issues/359
https://github.com/towfiqi/serpbear/releases/tag/v3.1.1
https://www.vulncheck.com/advisories/serpbear-before-3.1.1-missing-authentication-via-post-api-notify