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CVE-2026-91995

pig before 4.1.0 Unverified Password Change via /register/password

CVSS 4.0 9.3 CRITICALCVSS 3.1 9.1 CRITICALCheck source for fixed versionsKEV status unknown

Original advisory

cve-program · CVE-2026-91995

Published

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.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-91995

Published

pig

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "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"
                }

Original source record · Cite this exact observation · Complete original publisher JSON