CVE-2022-26136

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 5.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2022-07-20 · updated 2026-06-17
Weakness: CWE-180

Description

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. Atlassian Bitbucket versions are affected before 7.6.16, from 7.7.0 before 7.17.8, from 7.18.0 before 7.19.5, from 7.20.0 before 7.20.2, from 7.21.0 before 7.21.2, and versions 8.0.0 and 8.1.0. Atlassian Confluence versions are affected before 7.4.17, from 7.5.0 before 7.13.7, from 7.14.0 before 7.14.3, from 7.15.0 before 7.15.2, from 7.16.0 before 7.16.4, from 7.17.0 before 7.17.4, and version 7.21.0. Atlassian Crowd versions are affected before 4.3.8, from 4.4.0 before 4.4.2, and version 5.0.0. Atlassian Fisheye and Crucible versions before 4.8.10 are affected. Atlassian Jira versions are affected before 8.13.22, from 8.14.0 before 8.20.10, and from 8.21.0 before 8.22.4. Atlassian Jira Service Management versions are affected before 4.13.22, from 4.14.0 before 4.20.10, and from 4.21.0 before 4.22.4.

Affected products

Atlassian Bamboo: from 7.2.0 before 7.2.10; from 8.0.0 before 8.0.9; from 8.1.0 before 8.1.8; from 8.2.0 before 8.2.4 — fixed in 7.2.10, 8.0.9, 8.1.8, 8.2.4
Atlassian Bitbucket Server: before 7.6.16; from 7.7.0 before 7.17.8; from 7.18.0 before 7.19.5; from 7.20.0 before 7.20.2; from 7.21.0 before 7.21.2; 8.0.0, 8.1.0 — fixed in 7.17.8, 7.19.5, 7.20.2, 7.21.2, 7.6.16
Atlassian Confluence Data Center: before 7.4.17; from 7.5.0 before 7.13.7; from 7.14.0 before 7.14.3; from 7.15.0 before 7.15.2; from 7.16.0 before 7.16.4; from 7.17.0 before 7.17.4 — fixed in 7.13.7, 7.14.3, 7.15.2, 7.16.4, 7.17.4, 7.4.17
Atlassian Confluence Data Center: before 7.4.17; from 7.5.0 before 7.13.7; from 7.14.0 before 7.14.3; from 7.15.0 before 7.15.2; from 7.16.0 before 7.16.4; from 7.17.0 before 7.17.4 — fixed in 7.13.7, 7.14.3, 7.15.2, 7.16.4, 7.17.4, 7.4.17
Atlassian Crowd: before 4.3.8; from 4.4.0 before 4.4.2; 5.0.0 — fixed in 4.3.8, 4.4.2
Atlassian Crucible: before 4.8.10 — fixed in 4.8.10
Atlassian Fisheye: before 4.8.10 — fixed in 4.8.10
Atlassian Jira: from 8.13.0 before 8.13.22; from 8.14.0 before 8.20.10; from 8.21.0 before 8.22.4 — fixed in 8.13.22, 8.20.10, 8.22.4
Atlassian Jira: from 8.13.0 before 8.13.22; from 8.14.0 before 8.20.10; from 8.21.0 before 8.22.4 — fixed in 8.13.22, 8.20.10, 8.22.4
Atlassian Jira Service Desk Server: before 4.13.22 — fixed in 4.13.22
Atlassian Jira Service Management: from 4.14.0 before 4.20.10; from 4.21.0 before 4.22.4 — fixed in 4.20.10, 4.22.4

How to fix

Upgrade to a fixed version: Atlassian Bamboo 7.2.10, 8.0.9, 8.1.8, 8.2.4; Atlassian Bitbucket Server 7.17.8, 7.19.5, 7.20.2, 7.21.2; Atlassian Confluence Data Center 7.13.7, 7.14.3, 7.15.2, 7.16.4; Atlassian Confluence Data Center 7.13.7, 7.14.3, 7.15.2, 7.16.4; Atlassian Crowd 4.3.8, 4.4.2; Atlassian Crucible 4.8.10; Atlassian Fisheye 4.8.10; Atlassian Jira 8.13.22, 8.20.10, 8.22.4; Atlassian Jira 8.13.22, 8.20.10, 8.22.4; Atlassian Jira Service Desk Server 4.13.22; Atlassian Jira Service Management 4.20.10, 4.22.4. Check the vendor advisory for mitigations.

References

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