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Vulnerability record · CVE-2026-51583 · published 11 August 2026

CVE-2026-51583: Server-side request forgery (SSRF) vulnerability

An issue in usememos through v0.30.0 allows a remote authenticated attacker to perform Server-Side Request Forgery (SSRF) via the Webhook validation mechanism in internal/webhook/validate.go, by setting a webhook target to an internal address.

8.5 CVSS 3.1 High EPSS 0.40% · top 68.5% CWE-918 · Server-side request forgery (SSRF) Deferred
8.5CVSS 3.1 base score
0.40%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
3References
31 Aug 2026Last modified by NVD

Description

An issue in usememos through v0.30.0 allows a remote authenticated attacker to perform Server-Side Request Forgery (SSRF) via the Webhook validation mechanism in internal/webhook/validate.go, by setting a webhook target to an internal address.

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N

References

LinkTags
https://gist.github.com/seiyaibuki0523/d8af15eb555808319a2633269a9ebb80
https://github.com/usememos/memos
https://gist.github.com/seiyaibuki0523/d8af15eb555808319a2633269a9ebb80

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2026-51583), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.