What is CVE-2026-25765?

CVE-2026-25765 is a medium-severity vulnerability in Lostisland Faraday, classified under Server-Side Request Forgery (SSRF). CVSS score: 5.8/10. Published 2026-02-09.

How severe is CVE-2026-25765?

Medium severity. CVSS v3 base score is 5.8 out of 10.

SSRF in Lostisland Faraday

CVE-2026-25765

Faraday is an HTTP client library abstraction layer that provides a common interface over many adapters. Prior to 2.14.1, Faraday's build_exclusive_url method (in lib/faraday/connection.rb) uses Ruby's URI#merge to combine the connection's…

Vulnerability class: SSRF (Server-Side Request Forgery)

EPSS: 0.000 (5.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.8 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N.

Affected products

Lostisland Faraday — versions < 2.14.1

Weakness classification (CWE)

CWE-918 — Server-Side Request Forgery (SSRF)

References

https://github.com/lostisland/faraday/security/advisories/GHSA-33mh-2634-fwr2 (x_refsource_CONFIRM)
https://github.com/lostisland/faraday/commit/a6d3a3a0bf59c2ab307d0abd91bc126aef5561bc (x_refsource_MISC)
https://github.com/lostisland/faraday/releases/tag/v2.14.1 (x_refsource_MISC)

Frequently asked questions

What is CVE-2026-25765?: CVE-2026-25765 is a medium-severity vulnerability in Lostisland Faraday, classified under Server-Side Request Forgery (SSRF). CVSS score: 5.8/10. Published 2026-02-09.
How severe is CVE-2026-25765?: Medium severity. CVSS v3 base score is 5.8 out of 10.