CVE-2022-26136

What it is

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.

At a glance

Exploitability

Can be exploited over the network without logging in. High risk of data exposure, data tampering, service disruption.

Exploit odds

5.7% chance of exploitation in the next 30 days (EPSS).

Fix

A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

1. 2022-07-20 18:15 UTC PublishedDisclosed publicly on CVE.org and NVD
2. 2026-06-17 04:34 UTC Last updatedMost recent change to the record

Why it ranks here

• Exploited in the wild: no, CISA does not list it.
• Exploit odds: 5.7% in the next 30 days (EPSS).
• Severity: 9.8 CRITICAL (CVSS).
• Fix: a patch or advisory is linked.

Details

Published

2022-07-20 18:15 UTC

Last modified

2026-06-17 04:34 UTC

Exploit probability

5.7% · EPSS, next 30 days

Weakness

CWE-180

Record status

Modified

Affected

• Atlassian Bamboo < 7.2.10
• Atlassian Bamboo < 8.0.9
• Atlassian Bamboo < 8.1.8
• Atlassian Bamboo < 8.2.4
• Atlassian Bitbucket < 7.6.16
• Atlassian Bitbucket < 7.17.8
• Atlassian Bitbucket < 7.19.5
• Atlassian Bitbucket < 7.20.2

Attack profile CVSS 3.1 · 9.8

Attack vector

Network

Complexity

Low

Privileges needed

None

User interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2022-26136.md and follow it. Check whether this project is affected by CVE-2022-26136. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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