CVE-2026-91995
pig before 4.1.0 Unverified Password Change via /register/password
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.
INFO
Published Date :
Sept. 15, 2026, 11:35 a.m.
Last Modified :
Sept. 15, 2026, 11:35 a.m.
Remotely Exploit :
Yes !
Source :
VulnCheck
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | CRITICAL | 83251b91-4cc7-4094-a5c7-464a1b83ea10 | ||||
| CVSS 4.0 | CRITICAL | 83251b91-4cc7-4094-a5c7-464a1b83ea10 |
Solution
- Upgrade pig to version 4.1.0 or later.
- Apply vendor-provided security patches.
- Review and enforce password policies.
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CVE-2026-91995 vulnerability anywhere in the article.