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CRITICAL

CVE-2026-91995

CVSS v3

9.1

CRITICAL

EPSS Score

0.9 %

exploit probability, as of 2026-09-28

CISA KEV

No

known exploited

Exploitation

—

SSVC status

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.

Technical details

Published
2026-09-15
Last Modified
2026-09-15

Frequently asked questions

What is CVE-2026-91995?

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.

Is CVE-2026-91995 actively exploited?

Active exploitation of CVE-2026-91995 has not been confirmed. Its EPSS score was 0.9% on 2026-09-28, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2026-91995?

CVE-2026-91995 has a CVSS v3 base score of 9.1 (CRITICAL severity).

Is CVE-2026-91995 affecting your environment?

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