CVE-2022-31836 Path Traversal in Beego

What is CVE-2022-31836?

CVE-2022-31836 is a critical path traversal vulnerability in n/a, published on 5 Jul 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The leafInfo.match() function in Beego v2.0.3 and below uses path.join() to deal with wildcardvalues which can lead to cross directory risk.

Weakness: CWE-22

Which versions are affected by CVE-2022-31836?

7 open source packages ship an affected version, including github.com/beego/beego, github.com/astaxie/beego and github.com/beego/beego/v2. It affects 1 product.

Products include Beego Beego.

How do I fix CVE-2022-31836?

Upgrade github.com/beego/beego to 1.12.11 or later.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2022-31836 being exploited?

There is no known exploitation of CVE-2022-31836 in the wild and no public exploit code.

Other vulnerabilities in n/a

• CVE-2022-31259 Access control bypass in beego Critical 9.8
• CVE-2021-30080 Access control bypass in Beego Critical 9.8
• CVE-2025-30223 Beego allows Reflected/Stored XSS in Beego's RenderForm() Function Due to Unescaped User Input Critical 9.3
• CVE-2024-40464 Beego privilege escalation vulnerability High 8.8
• CVE-2024-40465 Beego privilege escalation vulnerability High 8.8

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-95f9-94vc-665h, GO-2022-0569.