{"id":"CVE-2026-104440","title":"YesWiki before 4.6.7 contains a blind server-side request forgery vulnerability that allows unauthenticated attackers to make arbitrary server-side requests via the idtypeannonce parameter of /api/entries/bazarlist","summary":"YesWiki before 4.6.7 contains a blind server-side request forgery vulnerability that allows unauthenticated attackers to make arbitrary server-side requests via the idtypeannonce parameter of /api/entries/bazarlist. Because isValidURL() …","severity":"medium","cvss":5.3,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","cwe":["CWE-918"],"vendor":"YesWiki","product":"yeswiki","affected":["yeswiki < 4.6.7"],"published":"2026-10-02","updated":"2026-10-02","sourceUpdated":"2026-10-02T15:17:06.893","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-104440","references":[{"url":"https://github.com/YesWiki/yeswiki/security/advisories/GHSA-gw65-cpc7-hww6","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/yeswiki-before-4.6.7-blind-ssrf-via-bazarlist-api-idtypeannonce-parameter","label":"disclosure@vulncheck.com"},{"url":"https://github.com/YesWiki/yeswiki/security/advisories/GHSA-gw65-cpc7-hww6","label":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"tags":["nvd","cve.org","exploit-available"],"exploitAvailable":true,"ssvc":{"exploitation":"poc","automatable":"yes","technicalImpact":"partial","timestamp":"2026-10-02T14:56:20.942665Z"},"ingestedAt":"2026-10-02T12:17:44.336Z","epss":0.0029,"epssPercentile":0.21431,"slug":"CVE-2026-104440","body":"## Overview\n\nYesWiki before 4.6.7 contains a blind server-side request forgery vulnerability that allows unauthenticated attackers to make arbitrary server-side requests via the idtypeannonce parameter of /api/entries/bazarlist. Because isValidURL() always returns true, attackers can supply internal URLs fetched by curl in loadURLContent() to probe internal networks and reach internal services or metadata endpoints.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":41,"depthScoreParts":{"impact":29.2,"likelihood":0.1,"exploitation":12,"ransomware":0},"changes":[{"seq":214957,"id":"CVE-2026-104440","ts":1790954551078,"field":"exploit_available","old":"false","new":"true"}]}