CVE-2026-125366
Omnom through 0.9.0 SSRF via Add Feed /add_feed Route
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.
Fixes and workarounds
Fix
The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches.
Source: CNA: VulnCheckAffected products and versions
| Product | Versions | Authority |
|---|---|---|
| omnom asciimoo github.com/asciimoo/omnom
golang |
≥ 0; ≤ 0.9.0 (affected, semver)
Other versions: unaffected |
CNA: VulnCheck |
Version ranges are source assertions. Check the vendor advisory and your installed configuration before determining exposure.
CVSS assessments
| Version / score | Vector | Authority |
|---|---|---|
| 4.0 / 5.3 medium |
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N | CNA: VulnCheck |
| 3.1 / 5.4 medium |
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N | CNA: VulnCheck |
Exploit evidence
No exploit evidence in collected sources. This is not proof of no exploitation.
References
- https://github.com/asciimoo/omnom/issues/67CNA: VulnCheck · issue-tracking
- https://github.com/asciimoo/omnomCNA: VulnCheck · product
- https://github.com/asciimoo/omnom/blob/v0.9.0/feed/feed.go#L421CNA: VulnCheck · technical-description
- https://github.com/asciimoo/omnom/commit/01c45510ab06c51bc952901514735b457a492f10CNA: VulnCheck · patch
- https://www.vulncheck.com/advisories/omnom-through-0.9.0-ssrf-via-add-feed-add-feed-routeCNA: VulnCheck · third-party-advisory
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