CVE-2026-91995pig before 4.1.0 Unverified Password Change via /register/password
Updated under an hour ago ()
Does this affect you?
It affects pig-mesh pig. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
Do this next
Free account, 1 product
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
- 9.1 CRITICAL (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
- Weakness (CWE)
- CWE-620
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- VulnCheck
- NVD analysis
- Deferred
- Record last updated
- Sep 24, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
pig-mesh pig pig_mesh:pig (from the name) | before 4.1.0 | CNA record |
References
- https://github.com/geo-chen/oss/blob/main/pig.mdthird-party-advisory, exploit
- https://github.com/pig-mesh/pig/issues/1249issue-tracking
- https://github.com/pig-mesh/pig/commit/ce958668f399110b97b3f1fcc5f517ff9bcfd535patch
- 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-L669technical-description
- 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-L53technical-description
- https://github.com/pig-mesh/pigproduct
- https://www.vulncheck.com/advisories/pig-before-4.1.0-unverified-password-change-via-register-passwordthird-party-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.