CVE-2026-119705
SerpBear before 3.1.1 contains a missing authentication vulnerability in pages/api/notify.ts that…
- Risk score
- 42/100
- CVSS
- 5.3 v3.1
- Exploit chance (30 days)
- 0.6%
- Published
- 30 Oct 2026
Open in the live forecast Today's forecast
What to know
- What it is
- 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, t…
- Affected
- See advisory
- Fix
- Upgrade the product to 3.1.1 or later.
- Exploitation
- No known exploitation
Why it is Yellow
- CVSS 5.3 medium
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
Original 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.
Last activity 30 Oct 2026. Patch Forecast updates every hour.