{"id":"CVE-2026-86735","state":"PUBLISHED","title":"snipe-it before 8.7.0 SSRF via IPv6 transition address bypass","description":"snipe-it versions before 8.7.0 contain a server-side request forgery vulnerability in the ExternalUrl validation rule that fails to detect IPv6 transition addresses encoding private IPv4 targets. Attackers with super-admin privileges can configure webhook URLs using NAT64, 6to4, or Teredo transition addresses to bypass SSRF guards and access internal services or cloud metadata endpoints.","publishedAt":"2026-09-08T15:14:04.405Z","updatedAt":"2026-09-08T15:37:47.336Z","severity":{"score":5.9,"label":"Medium","version":"4.0","vector":"CVSS:4.0/AV:N/AC:H/AT:P/PR:H/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N","source":"VulnCheck"},"assigner":"VulnCheck","products":["grokability snipe-it"],"affected":[{"vendor":"grokability","product":"snipe-it","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"8.7.0","versionType":"semver"},{"version":"8.7.0","status":"unaffected","versionType":"semver"}]}],"references":["https://github.com/grokability/snipe-it/security/advisories/GHSA-5j6m-rr83-rpj7","https://www.vulncheck.com/advisories/snipe-it-before-8.7.0-ssrf-via-ipv6-transition-address-bypass"],"weaknesses":["CWE-918"],"ingestedAt":"2026-10-29T20:13:26.108Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/86xxx/CVE-2026-86735.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-86735","state":"PUBLISHED","datePublished":"2026-09-08T15:14:04.405Z","dateUpdated":"2026-09-08T15:37:47.336Z","assignerShortName":"VulnCheck","assignerOrgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","dateReserved":"2026-09-08T11:31:09.013Z"},"containers":{"cna":{"title":"snipe-it before 8.7.0 SSRF via IPv6 transition address bypass","descriptions":[{"lang":"en","value":"snipe-it versions before 8.7.0 contain a server-side request forgery vulnerability in the ExternalUrl validation rule that fails to detect IPv6 transition addresses encoding private IPv4 targets. Attackers with super-admin privileges can configure webhook URLs using NAT64, 6to4, or Teredo transition addresses to bypass SSRF guards and access internal services or cloud metadata endpoints."}],"affected":[{"vendor":"grokability","product":"snipe-it","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"8.7.0","versionType":"semver"},{"version":"8.7.0","status":"unaffected","versionType":"semver"}]}],"references":[{"url":"https://github.com/grokability/snipe-it/security/advisories/GHSA-5j6m-rr83-rpj7","tags":["vendor-advisory"],"name":"GitHub Security Advisory (GHSA-5j6m-rr83-rpj7)"},{"url":"https://www.vulncheck.com/advisories/snipe-it-before-8.7.0-ssrf-via-ipv6-transition-address-bypass","name":"VulnCheck Advisory: snipe-it before 8.7.0 SSRF via IPv6 transition address bypass","tags":["third-party-advisory"]}],"metrics":[{"format":"CVSS","cvssV4_0":{"version":"4.0","vectorString":"CVSS:4.0/AV:N/AC:H/AT:P/PR:H/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N","attackVector":"NETWORK","attackComplexity":"HIGH","attackRequirements":"PRESENT","privilegesRequired":"HIGH","userInteraction":"NONE","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"LOW","vulnAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","baseScore":5.9,"baseSeverity":"MEDIUM"}},{"format":"CVSS","cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:L/A:N","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"HIGH","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"LOW","availabilityImpact":"NONE","baseScore":5,"baseSeverity":"MEDIUM"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-918","lang":"en","description":"Server-Side Request Forgery (SSRF)","type":"CWE"}]}],"providerMetadata":{"shortName":"VulnCheck","orgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","dateUpdated":"2026-09-08T15:14:04.405Z"},"datePublic":"2026-08-24T00:00:00.000Z","cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:snipeitapp:snipe-it:*:*:*:*:*:*:*:*","versionEndExcluding":"8.7.0"}]}]}],"credits":[{"lang":"en","value":"tonghuaroot","type":"reporter"},{"lang":"en","value":"snipe","type":"finder"}],"x_generator":{"engine":"vulncheck-endgame"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-09-08T15:37:37.059741Z","id":"CVE-2026-86735","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-09-08T15:37:47.336Z"}}]}}}