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Pig CVE-2026-91995

| EUVDEUVD-2026-78435 CRITICAL
Unverified Password Change (CWE-620)
2026-09-15 VulnCheck GHSA-7g92-2j5x-mj6h
9.3
CVSS 4.0 · Vendor: VulnCheck
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Severity by source

Vendor (VulnCheck) PRIMARY
9.3 CRITICAL
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Primary rating from Vendor (VulnCheck) · only source for this CVE.

CVSS VectorVendor: VulnCheck

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
X

Lifecycle Timeline

4
POC Analysis Generated
Sep 15, 2026 - 15:22 vuln.today
Source Code Evidence Fetched
Sep 15, 2026 - 12:06 vuln.today
Analysis Generated
Sep 15, 2026 - 12:06 vuln.today
CVE Published
Sep 15, 2026 - 11:35 cve.org
CRITICAL 9.3

DescriptionCVE.org

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.

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CVE-2026-91995 vulnerability details – vuln.today

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