{"action":"Upgrade github.com/axllent/mailpit to 1.30.2 or later.","affected":[{"fixed":"1.30.2","introduced":"0"}],"component":"github.com/axllent/mailpit","cve_ids":["CVE-2026-55187"],"ecosystem":"Go","epss":0.00354,"exploited":false,"fixed_versions":["1.30.2"],"ghsa_id":"GHSA-w4mc-hhc6-xp28","id":"tcs_01M5KFQ42HFGJXFWC3DPSS8WV5","modified_at":"2026-09-02T23:45:04.683184025Z","published_at":"2026-06-19T21:16:21Z","references":["https://osv.dev/vulnerability/GHSA-w4mc-hhc6-xp28","https://github.com/axllent/mailpit/security/advisories/GHSA-w4mc-hhc6-xp28","https://nvd.nist.gov/vuln/detail/CVE-2026-55187","https://github.com/axllent/mailpit/commit/a88dadbbe1df016a35a445089ef2a362a6c2de78","https://github.com/axllent/mailpit","https://github.com/axllent/mailpit/releases/tag/v1.30.2"],"severity":{"label":"medium","score":5.8},"sources":[{"source":"osv","source_id":"GHSA-w4mc-hhc6-xp28","url":"https://osv.dev/vulnerability/GHSA-w4mc-hhc6-xp28"}],"summary":"Mailpit: Incomplete SSRF protection in Link Check API via IPv6 transition mechanisms"}