All vulnerabilities

Servers and applications

CVE-2022-26133

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.

Severity
Critical 9.8
Published
20 Apr 2022
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Fixed in
7.6.14, 7.17.6, 7.18.4, 7.19.4
Sources
NVD

Affected software

SoftwareAffected versions
Bitbucket Data CenterServers and applications · cpe:a:atlassian:bitbucket_data_center
  • From 5.14.0 before 7.6.14
  • From 7.7.0 before 7.17.6
  • From 7.18.0 before 7.18.4
  • From 7.19.0 before 7.19.4
  • Version 7.20.0

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2022-26133
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2022-26133