Atlassian Bitbucket Vulnerabilities & Security Advisories
9 advisories tracked · Atlassian ([email protected] CNA) via NVD · 2 listed in the CISA Known Exploited Vulnerabilities catalog
Every row below is a published Atlassian advisory that VulniPulse classified as Bitbucket, with the CVEs, affected and fixed releases and exploitation status the vendor stated. Severity mix: 4 critical, 4 high, 1 medium.
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Source
Atlassian ([email protected] CNA) via NVD
Atlassian is its own CVE Numbering Authority. VulniPulse ingests Atlassian's CVEs from the NVD CNA feed ([email protected]), each linking to its security advisory / Jira ticket. Covers Confluence (Server & Data Center), Jira (Software & Service Management), Bitbucket, Bamboo, Crowd and Fisheye/Crucible — self-hosted Confluence/Jira are repeatedly hit by mass-exploited RCE and auth-bypass bugs (CVE-2023-22515, CVE-2022-26134), so a huge patch-now audience.
Latest Atlassian Bitbucket advisories
Critical [CVE-2026-21589] This is a vulnerability in Bitbucket Data Center, Confluence Data Center, Jira Service Management Data Center, Jira Software Data Center, Bamboo Data Center
This is a vulnerability in Bitbucket Data Center, Confluence Data Center, Jira Service Management Data Center, Jira Software Data Center, Bamboo Data Center. Crowd Data Center, Crucible and Fisheye. This Arbitrary File Access vulnerability allows an unauthenticated attacker to access specific files within the web application root directory in affected versions. Exploitation requires prior knowledge of the target file's exact name and path; this vulnerability does not allow attackers to enumerate or list directory contents. In some configurations, there may be some sensitive files that make this highly severe. Affected products named by the advisory: Crucible Data Center; Fisheye Data Center.
Critical [CVE-2022-43781] Bitbucket: There is a command injection vulnerability using environment variables in Bitbucket Server and Data Center.
There is a command injection vulnerability using environment variables in Bitbucket Server and Data Center. An attacker with permission to control their username can exploit this issue to execute arbitrary code on the system. This vulnerability can be unauthenticated if the Bitbucket Server and Data Center instance has enabled “Allow public signup”.
Critical [CVE-2022-26136] Confluence: vulnerability in multiple Atlassian products
A vulnerability in multiple Atlassian products allows a remote, unauthenticated attacker to bypass Servlet Filters used by first and third party apps. The impact depends on which filters are used by each app, and how the filters are used. This vulnerability can result in authentication bypass and cross-site scripting. Atlassian has released updates that fix the root cause of this vulnerability, but has not exhaustively enumerated all potential consequences of this vulnerability. Atlassian Bamboo versions are affected before 8.0.9, from 8.1.0 before 8.1.8, and from 8.2.0 before 8.2.4. Affected products named by the advisory: Confluence; Jira Service Management; Bitbucket; Crowd; and 2 more.
Critical [CVE-2022-26133] SharedSecretClusterAuthenticator in Atlassian Bitbucket Data Center versions 5.14.0 and later before 7.6.14, 7.7.0 and later…
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.