{"id":"CVE-2026-104470","title":"YesWiki before 4.6.7 contains a server-side request forgery vulnerability that allows page editors to make the server fetch arbitrary URLs via the url parameter of the Bazar valeur action","summary":"YesWiki before 4.6.7 contains a server-side request forgery vulnerability that allows page editors to make the server fetch arbitrary URLs via the url parameter of the Bazar valeur action. Attackers can embed the action with a champ para…","severity":"medium","cvss":5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N","cwe":["CWE-918","CWE-79"],"vendor":"YesWiki","product":"yeswiki","affected":["yeswiki < 4.6.7"],"published":"2026-10-02","updated":"2026-10-04","sourceUpdated":"2026-10-04T16:16:29.807","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-104470","references":[{"url":"https://github.com/YesWiki/yeswiki/commit/22a5260b0381824e01d340ce9457c4adb9e18b23","label":"disclosure@vulncheck.com"},{"url":"https://github.com/YesWiki/yeswiki/security/advisories/GHSA-6rvf-7pwm-6j44","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/yeswiki-before-4.6.7-ssrf-via-bazar-valeur-action-url-parameter","label":"disclosure@vulncheck.com"},{"url":"https://github.com/YesWiki/yeswiki/security/advisories/GHSA-6rvf-7pwm-6j44","label":"134c704f-9b21-4f2e-91b3-4a467353bcc0"},{"url":"https://www.vulncheck.com/advisories/yeswiki-before-4.6.7-ssrf-and-xss-via-bazar-valeur-action","label":"disclosure@vulncheck.com"}],"tags":["nvd","cve.org","exploit-available","score-dispute"],"exploitAvailable":true,"ssvc":{"exploitation":"poc","automatable":"no","technicalImpact":"partial","timestamp":"2026-10-02T15:19:21.179056Z"},"epss":0.00243,"epssPercentile":0.1534,"scores":{"nvd":7.4,"cna":5},"ingestedAt":"2026-10-02T12:17:44.350Z","slug":"CVE-2026-104470","body":"## Overview\n\nYesWiki before 4.6.7 contains a server-side request forgery vulnerability that allows page editors to make the server fetch arbitrary URLs via the url parameter of the Bazar valeur action. Attackers can embed the action with a champ parameter in wiki markup to reach loopback or internal services and partially read responses rendered into the page.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":40,"depthScoreParts":{"impact":27.5,"likelihood":0,"exploitation":12,"ransomware":0},"changes":[{"seq":215576,"id":"CVE-2026-104470","ts":1791133360015,"field":"cvss","old":"7.4","new":"5"},{"seq":215575,"id":"CVE-2026-104470","ts":1791133360015,"field":"severity","old":"high","new":"medium"},{"seq":214988,"id":"CVE-2026-104470","ts":1790958221688,"field":"exploit_available","old":"false","new":"true"}]}