Single Sign On For TNG < 2.2.0 - Unauthenticated Arbitrary Password Reset (CVE-2026-16299) | HOL Guard CVE

Critical · CVSS 9.8CVE-2026-16299

Single Sign On For TNG < 2.2.0 - Unauthenticated Arbitrary Password Reset

Answer in brief

CVE-2026-16299 records a Critical severity (CVSS 9.8) vulnerability in Single Sign On For TNG < 2.2.0 - Unauthenticated Arbitrary Password Reset. The current sources do not mark it as known exploited. The current feed maps Unknown/Single Sign On For TNG (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Aug 10, 2026Updated Aug 26, 2026Source checked Sep 24, 2026First seen by HOL Aug 10, 2026Material review Aug 26, 2026

Upstream Advisory

Key facts

Risk: Critical · CVSS 9.8
Exploitation: Not marked as known exploited
Affected software: 1 mapped package or product
Fix availability: Available

Why this deserves its current priority

CVSS is 9.8. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Unknown/Single Sign On For TNG (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
Package	Affected range	Fixed version
Unknown/Single Sign On For TNGgeneric	>=0 <2.2.0	2.2.0

Recommended response

Check inventory. Check lockfiles and deployed manifests for Unknown/Single Sign On For TNG.
Review the reported fix. Update Unknown/Single Sign On For TNG to 2.2.0 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

Published upstream
Aug 10, 2026
Evidence: source:cvelist:source_dates:source-dates:record
Source modified
Aug 26, 2026
Evidence: source:cvelist:source_dates:source-dates:record
First seen by HOL
Aug 10, 2026

Sources and claim methodology

Source referencewpscan.com

Upstream source description

The Single Sign On For TNG WordPress plugin before 2.2.0 does not properly validate a password reset request, allowing unauthenticated attackers to reset the password of arbitrary users, including administrators, which could lead to a full site takeover.

Quoted source text, attributed separately from HOL analysis.