{"id":"CVE-2026-53981","state":"PUBLISHED","title":"Cap-go < v12.128.2 Account Takeover via Unauthenticated Email Change Mechanism","description":"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 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.","publishedAt":"2026-06-12T15:42:18.383Z","updatedAt":"2026-06-12T17:24:22.841Z","severity":{"score":7.2,"label":"High","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:L/VA:L/SC:N/SI:N/SA:N","source":"VulnCheck"},"assigner":"VulnCheck","products":["Cap-go Cap-go"],"affected":[{"vendor":"Cap-go","product":"Cap-go","defaultStatus":"affected","versions":[{"version":"0","status":"affected","lessThan":"12.128.2","versionType":"semver"},{"version":"6685e5f11adef257bf3d085e481f4d8ebcec602e","status":"unaffected","versionType":"git"}]}],"references":["https://github.com/Cap-go/capgo/security/advisories/GHSA-w56g-jv78-hf79","https://github.com/Cap-go/capgo/commit/6685e5f11adef257bf3d085e481f4d8ebcec602e","https://www.vulncheck.com/advisories/cap-go-account-takeover-via-unauthenticated-email-change-mechanism"],"weaknesses":["CWE-306"],"ingestedAt":"2026-10-29T20:12:16.098Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/53xxx/CVE-2026-53981.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-53981","state":"PUBLISHED","datePublished":"2026-06-12T15:42:18.383Z","dateUpdated":"2026-06-12T17:24:22.841Z","assignerShortName":"VulnCheck","assignerOrgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","dateReserved":"2026-06-11T16:07:13.000Z"},"containers":{"cna":{"title":"Cap-go < v12.128.2 Account Takeover via Unauthenticated Email Change Mechanism","descriptions":[{"lang":"en","value":"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 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."}],"affected":[{"vendor":"Cap-go","product":"Cap-go","defaultStatus":"affected","versions":[{"version":"0","status":"affected","lessThan":"12.128.2","versionType":"semver"},{"version":"6685e5f11adef257bf3d085e481f4d8ebcec602e","status":"unaffected","versionType":"git"}]}],"references":[{"url":"https://github.com/Cap-go/capgo/security/advisories/GHSA-w56g-jv78-hf79","tags":["vendor-advisory"]},{"url":"https://github.com/Cap-go/capgo/commit/6685e5f11adef257bf3d085e481f4d8ebcec602e","tags":["patch"]},{"url":"https://www.vulncheck.com/advisories/cap-go-account-takeover-via-unauthenticated-email-change-mechanism","tags":["third-party-advisory"]}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"LOW","userInteraction":"NONE","vulnConfidentialityImpact":"HIGH","subConfidentialityImpact":"NONE","vulnIntegrityImpact":"LOW","subIntegrityImpact":"NONE","vulnAvailabilityImpact":"LOW","subAvailabilityImpact":"NONE","exploitMaturity":"NOT_DEFINED","Safety":"NOT_DEFINED","Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","valueDensity":"NOT_DEFINED","vulnerabilityResponseEffort":"NOT_DEFINED","providerUrgency":"NOT_DEFINED","version":"4.0","baseSeverity":"HIGH","baseScore":7.2,"vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:L/VA:L/SC:N/SI:N/SA:N"}},{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV3_1":{"version":"3.1","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"LOW","availabilityImpact":"LOW","baseSeverity":"HIGH","baseScore":7.6,"vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:L"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-306","lang":"en","description":"CWE-306 Missing Authentication for Critical Function","type":"CWE"}]}],"providerMetadata":{"shortName":"VulnCheck","orgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","dateUpdated":"2026-06-12T16:06:31.063Z"},"datePublic":"2026-06-12T00:00:00.000Z","credits":[{"lang":"en","value":"Naitik Gupta","type":"finder"}],"source":{"discovery":"EXTERNAL"},"x_generator":{"engine":"Vulnogram 1.0.1"}},"adp":[{"title":"CISA ADP Vulnrichment","references":[{"url":"https://github.com/Cap-go/capgo/security/advisories/GHSA-w56g-jv78-hf79","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-06-12T17:24:17.240226Z","id":"CVE-2026-53981","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-06-12T17:24:22.841Z"}}]}}}