# CVE-2026-5467: Casdoor OAuth Authorization Request redirect

> Attackers can exploit an open redirect in Casdoor's OAuth authorization request to redirect users to malicious sites.

- **Severity:** Medium 5.3 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** A user has to click or open something
- **Fix available:** Yes
- **Published:** 3 Apr 2026
- **Updated:** 3 Apr 2026
- **Also known as:** GHSA-mj24-pqx2-6788, GO-2026-5509

## What is CVE-2026-5467?

CVE-2026-5467 is a medium-severity vulnerability in Casdoor, published on 3 Apr 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

### Official description

A vulnerability was identified in Casdoor 2.356.0. Affected by this issue is some unknown functionality of the component OAuth Authorization Request Handler. Such manipulation of the argument redirect_uri leads to open redirect. It is possible to launch the attack remotely. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.

Weakness: CWE-601 (URL Redirection to Untrusted Site)

## Which versions are affected by CVE-2026-5467?

3 open source packages ship an affected version, including github.com/casdoor/casdoor. It affects 1 product.


| Package | Ecosystem | Affected | Fixed in |
| --- | --- | --- | --- |
| `github.com/casdoor/casdoor` | Go | All versions | None |
| `github.com/casdoor/casdoor` | Go | All versions to 1.1000.0 | None |
| `github.com/casdoor/casdoor` | Go | All versions to 1.1000.0 | None |

Products: Casbin Casdoor.

## How do I fix CVE-2026-5467?

No fix published yet.

## Is CVE-2026-5467 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-5467 exists.

## Other vulnerabilities in Casdoor

- [CVE-2022-38638](https://insights.sbomify.com/CVE-2022-38638/): Casdoor arbitrary file write vulnerability (critical 9.1)
- [CVE-2024-41657](https://insights.sbomify.com/CVE-2024-41657/): GHSL-2024-035: Casdoor CORS misconfiguration (high 8.1)
- [CVE-2022-44942](https://insights.sbomify.com/CVE-2022-44942/): Casdoor arbitrary file deletion vulnerability via uploadFile function (high 8.1)
- [CVE-2024-41264](https://insights.sbomify.com/CVE-2024-41264/): casdoor's use of`ssh.InsecureIgnoreHostKey()` disables host key verification (high 7.5)
- [CVE-2022-24124](https://insights.sbomify.com/CVE-2022-24124/): SQL Injection in Casdoor (high 7.5)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-5467 and fix it if it is affected.

What it is: CVE-2026-5467 is a medium-severity vulnerability in Casdoor, published on 3 Apr 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-5467 exists.

Affected packages and fixed versions:
- github.com/casdoor/casdoor (Go): affected all versions; no fix listed
- github.com/casdoor/casdoor (Go): affected all versions up to 1.1000.0; no fix listed
- github.com/casdoor/casdoor (Go): affected all versions up to 1.1000.0; no fix listed

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2026-5467/ (Markdown: https://insights.sbomify.com/CVE-2026-5467/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-5467
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-5467
- OSV: https://osv.dev/vulnerability/CVE-2026-5467

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-5467/
Summaries are generated and may contain mistakes; the official description above is the record.