{"id":"CVE-2026-53981","title":"Cap-go < v12.128.2 Account Takeover via Unauthenticated Email Change Mechanism","summary":"Cap-go prior to 12.128.2 contains an account takeover vulnerability in its email change mechanism that allows an attacker with temporary authenticated session access to change the registered email address without re-authentication such a…","severity":"high","cvss":7.6,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:L","cvssSource":"cna","cwe":["CWE-306"],"vendor":"Cap-go","product":"Cap-go","affected":["Cap-go < 12.128.2"],"ssvc":{"exploitation":"poc","automatable":"no","technicalImpact":"partial","timestamp":"2026-06-12T17:24:17.240226Z"},"exploitAvailable":true,"published":"2026-06-12","updated":"2026-11-08","sourceUpdated":"2026-11-08T14:05:13.607Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-53981","references":[{"url":"https://github.com/Cap-go/capgo/security/advisories/GHSA-w56g-jv78-hf79","label":"GitHub Security Advisory (GHSA-w56g-jv78-hf79)"},{"url":"https://github.com/Cap-go/capgo/commit/6685e5f11adef257bf3d085e481f4d8ebcec602e"},{"url":"https://www.vulncheck.com/advisories/cap-go-account-takeover-via-unauthenticated-email-change-mechanism"}],"tags":["cve.org","exploit-available"],"epss":0.00267,"epssPercentile":0.18885,"ingestedAt":"2026-11-08T14:51:22.376Z","slug":"CVE-2026-53981","body":"## Overview\n\nCap-go prior to 12.128.2 contains an account takeover vulnerability in its email change mechanism that allows an attacker with temporary authenticated session access to change the registered email address without re-authentication such as password or MFA verification. Attackers can redirect verification to an attacker-controlled email address and subsequently perform a password reset to permanently take over the victim's account.\n\n## Affected\n\n- `Cap-go < 12.128.2`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"midnight","depthScore":54,"depthScoreParts":{"impact":41.8,"likelihood":0.1,"exploitation":12,"ransomware":0},"changes":[]}