CRITICAL
pig before 4.1.0 Unverified Password Change via /register/password
Published Sep 15, 2026
9.3
CRITICALCVSS 4.0
EPSS 0.88%
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.
Affected products
-
- Version 0StatusaffectedConstraints<4.1.0
- Version
No data.
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Weaknesses (1)
References (8)
- https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-78435 Advisory
- https://github.com/geo-chen/oss/blob/main/pig.md third-party-advisoryexploit
- https://github.com/pig-mesh/pig product
- 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 technical-description
- 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 technical-description
- https://github.com/pig-mesh/pig/commit/ce958668f399110b97b3f1fcc5f517ff9bcfd535 patch
- https://github.com/pig-mesh/pig/issues/1249 issue-tracking
- https://www.vulncheck.com/advisories/pig-before-4.1.0-unverified-password-change-via-register-password third-party-advisory
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner VulnCheck
Published Sep 15, 2026
Updated Sep 24, 2026
Reserved Sep 15, 2026
Link CVE-2026-91995
CISA Vulnrichment
Updated Sep 18, 2026
ENISA EUVD
EUVD-2026-78435 Assigner VulnCheck
Published Sep 15, 2026
Updated Sep 24, 2026
Exploited since n/a
Link EUVD-2026-78435