Vulnerability Description
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.
CVSS Score
CRITICAL
Related Weaknesses (CWE)
References
- https://github.com/geo-chen/oss/blob/main/pig.md
- https://github.com/pig-mesh/pig
- https://github.com/pig-mesh/pig/blob/v4.0.0/pig-upms/pig-upms-biz/src/main/java/
- https://github.com/pig-mesh/pig/blob/v4.0.0/pig-upms/pig-upms-biz/src/main/java/
- https://github.com/pig-mesh/pig/commit/ce958668f399110b97b3f1fcc5f517ff9bcfd535
- https://github.com/pig-mesh/pig/issues/1249
- https://www.vulncheck.com/advisories/pig-before-4.1.0-unverified-password-change
FAQ
What is CVE-2026-91995?
CVE-2026-91995 is a vulnerability with a CVSS score of 9.1 (CRITICAL). 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. Remot...
How severe is CVE-2026-91995?
CVE-2026-91995 has been rated CRITICAL with a CVSS base score of 9.1/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2026-91995?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.