CVE-2026-119705

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.

CVSS v3 5.3 MEDIUM

5.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 3.9 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact LOW

Scope UNCHANGED

References

Link	Resource
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

Configurations

No configuration.

History

30 Oct 2026, 16:17

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-10-30 16:17

Updated : 2026-10-30 19:23

NVD link : CVE-2026-119705

Mitre link : CVE-2026-119705

CVE.ORG link : CVE-2026-119705

JSON object : View

Products Affected

No product.

CWE

CWE-306

Missing Authentication for Critical Function

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