CVE-2026-91995Patch

LOWCVSS 9.3 · CRITICAL

Signal is active with 1 mentions in latest observed window

Immediate actions

Patch affected systems immediately

Recommended action window: Monitor and triage in normal cycle

NVD 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.

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0.5/ 10 priority

Sources & remediation

Other references

Weakness type (CWE)

CWE-620

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

AVAILABLE

Momentum

NONE

Threat summary

Patch or workaround signal is available
1 mentions across 1 observed day

What's happening

Patch or workaround mentioned in 1 signal
Technical details provided in 1 signal
1 total mentions across 1 day

Deep dive

Activity timeline1 mentions / 1d

Signal classification1 categories

Patch

1100.0%

Full discourse1 post

Upwind Security MDR@UpwindMDR45d
Patch
🚨Critical - pig Auth Bypass via /register/password Current-Password Check Discarded (CVE-2026-91995) pig's /register/password endpoint discards the current-password verification result, letting an unauthenticated attacker submit any username + any current password to overwrite that user's credentials (incl. admin). This enables full account takeover and admin control. 👉Affected: pig < 4.1.0 | Upgrade to 4.1.0
Post summary
The text discloses CVE-2026-91995, an authentication bypass in pig's /register/password endpoint affecting versions prior to 4.1.0, and explicitly directs users to upgrade to version 4.1.0 as the remediation.
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