CVE-2026-119705 | BDVDB-2026-398581 Detail
towfiqiserpbear
Description#
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.
Impact#
Per CVSS v3.1: confidentiality impact none, integrity impact none, availability impact low. Attack vector: network.
Weaknesses#
- CWE-306 Missing Authentication for Critical Function
References#
- https://github.com/towfiqi/serpbear/issues/359
- https://github.com/towfiqi/serpbear
- https://github.com/towfiqi/serpbear/commit/12dc0a4bd91f06de2dab96f797c495942f7ef8c9
- https://github.com/towfiqi/serpbear/blob/v3.1.0/pages/api/notify.ts#L16-L21
- 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
Exploit#
No public exploit known
History#
- Version 1Record published in the CVE List.