CVE-2022-26133 Deserialization in Bitbucket Data Center
Remote unauthenticated attackers can execute arbitrary code via Java deserialization in Atlassian Bitbucket Data Center.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2022-26133?
CVE-2022-26133 is a critical unsafe deserialization vulnerability in Atlassian Bitbucket Data Center, published on 20 Apr 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
SharedSecretClusterAuthenticator in Atlassian Bitbucket Data Center versions 5.14.0 and later before 7.6.14, 7.7.0 and later prior to 7.17.6, 7.18.0 and later prior to 7.18.4, 7.19.0 and later prior to 7.19.4, and 7.20.0 allow a remote, unauthenticated attacker to execute arbitrary code via Java deserialization.
Weakness: CWE-502
Which versions are affected by CVE-2022-26133?
It affects 1 product.
Products include Atlassian Bitbucket Data Center.
How do I fix CVE-2022-26133?
No fix has been published for CVE-2022-26133 yet. Limit exposure of the affected software until one is available.
Upgrade, and only deserialise data from trusted sources or with an allow-list of types. More about Unsafe deserialization.
Is CVE-2022-26133 being exploited?
There is no known exploitation of CVE-2022-26133 in the wild and no public exploit code.
Public exploit code: 2 proofs of concept on GitHub.
Other vulnerabilities in Atlassian Bitbucket Data Center
Sources
Also known as GHSA-2p9p-h8q6-52g9.