{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-91995","assignerOrgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","state":"PUBLISHED","assignerShortName":"VulnCheck","dateReserved":"2026-09-15T11:11:13.312Z","datePublished":"2026-09-15T11:35:50.060Z","dateUpdated":"2026-09-24T14:22:34.732Z"},"containers":{"cna":{"providerMetadata":{"orgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","shortName":"VulnCheck","dateUpdated":"2026-09-24T14:22:34.732Z"},"datePublic":"2026-09-14T00:00:00.000Z","title":"pig before 4.1.0 Unverified Password Change via /register/password","descriptions":[{"lang":"en","value":"pig before 4.1.0 contains an authentication bypass vulnerability in the /register/password endpoint where password verification results are discarded, allowing any value as the current password. Remote attackers can submit a username with an incorrect current password to overwrite any account credential including the admin account and gain full administrative control."}],"problemTypes":[{"descriptions":[{"lang":"en","description":"Unverified Password Change","cweId":"CWE-620","type":"CWE"}]}],"affected":[{"vendor":"pig-mesh","product":"pig","packageURL":"pkg:github/pig-mesh/pig","defaultStatus":"unaffected","versions":[{"version":"0","lessThan":"4.1.0","status":"affected","versionType":"semver"}],"repo":"https://github.com/pig-mesh/pig"}],"metrics":[{"format":"CVSS","cvssV4_0":{"version":"4.0","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N","attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH","vulnAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","baseScore":9.3,"baseSeverity":"CRITICAL"}},{"format":"CVSS","cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"NONE","baseScore":9.1,"baseSeverity":"CRITICAL"}}],"references":[{"url":"https://github.com/geo-chen/oss/blob/main/pig.md","tags":["third-party-advisory","exploit"],"name":"Researcher write-up"},{"url":"https://github.com/pig-mesh/pig/issues/1249","tags":["issue-tracking"],"name":"GitHub Issue #1249 (content redacted by the maintainer)"},{"url":"https://github.com/pig-mesh/pig/commit/ce958668f399110b97b3f1fcc5f517ff9bcfd535","tags":["patch"],"name":"Fix commit ce958668"},{"url":"https://github.com/pig-mesh/pig/blob/v4.0.0/pig-upms/pig-upms-biz/src/main/java/com/pig4cloud/pig/admin/service/impl/SysUserServiceImpl.java#L650-L669","tags":["technical-description"],"name":"SysUserServiceImpl.java at v4.0.0"},{"url":"https://github.com/pig-mesh/pig/blob/v4.0.0/pig-upms/pig-upms-biz/src/main/java/com/pig4cloud/pig/admin/controller/SysRegisterController.java#L21-L53","tags":["technical-description"],"name":"SysRegisterController.java at v4.0.0"},{"url":"https://github.com/pig-mesh/pig","tags":["product"]},{"name":"VulnCheck Advisory: pig before 4.1.0 Unverified Password Change via /register/password","tags":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/pig-before-4.1.0-unverified-password-change-via-register-password"}],"credits":[{"lang":"en","value":"George Chen","type":"finder"}],"x_generator":{"engine":"vulncheck-endgame"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2026-91995","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"total"}],"version":"2.0.3","timestamp":"2026-09-18T17:15:18.219296Z"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-09-18T17:23:05.268Z"}}]}}