CVE-2026-119705

Medium

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.

SeverityMedium

CVSS5.3

Exploit probability—

ProductTowfiqi Serpbear

PublishedOct 30, 2026

First seenNov 4, 2026

Weakness typeCWE-306Missing authentication for critical function

How to fix

Update

towfiqi serpbear3.1.1 or later

Patches

github.com/towfiqi/serpbear/commit/12dc0a4bd91f06de2dab96f797c495942f7ef8c9

Vendor advisories

github.com/towfiqi/serpbear/releases/tag/v3.1.1

Affected products

Product	Affected versions	Fixed in
towfiqi serpbear	v < 3.1.1	3.1.1

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