CVE-2026-125366

CVSS 5.4 (medium) · published 2026-11-10

Omnom through 0.9.0 contains a server-side request forgery vulnerability that allows authenticated users to make server requests to arbitrary hosts by submitting feed URLs to /add_feed. Attackers can supply internal addresses that getFeedInfo, gofeed ParseURL, and fetchImageAsInlineURL fetch without validation, using reflected error messages to probe internal hosts and ports.

Weakness: CWE-918

Source: NVD CVE-2026-125366

References

• https://github.com/asciimoo/omnom
• https://github.com/asciimoo/omnom/blob/v0.9.0/feed/feed.go#L421
• https://github.com/asciimoo/omnom/commit/01c45510ab06c51bc952901514735b457a492f10
• https://github.com/asciimoo/omnom/issues/67
• https://www.vulncheck.com/advisories/omnom-through-0.9.0-ssrf-via-add-feed-add-feed-route

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