9.8

CVE-2022-26136: atlassian bamboo

Modified
Published 20-07-2022Last modified 03-10-2024

Vulnerability summary

CVE-2022-26136 is a critical (CVSS 9.8) vulnerability in atlassian bamboo. EPSS estimates a 5.66% chance of exploitation in the next 30 days, higher than 92.9% of scored vulnerabilities.

Priority
Prioritisesevere

Severe, CVSS 9.8 (CVE.org); no exploitation reported by the 5 checked sources; EPSS 6% (FIRST, 03-11-2026)

Source freshness unavailable

How is this decided?
CVSS score
9.8/10
010
Critical · v3.1 (CVE.org)
EPSS score
5.66%
0%100%
Low · +0.31 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Timeline

  1. 20-07-2022
    PublishedVulnerability first disclosed.
  2. 03-10-2024
    Last modifiedVulnerability information updated.

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.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

5.66%

Chance of exploitation in the next 30 days

Percentile

93%

Versus all other CVEs

30-day change

Increase +0.31 pp

From 5.35% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.

Atlassian22 products
  • bamboo≥ 7.2.0, < 7.2.10 | ≥ 8.0.0, < 8.0.9 | ≥ 8.1.0, < 8.1.8 | ≥ 8.2.0, < 8.2.4
  • bamboo data center≥ unspecified, < 8.0.9 | ≥ 8.1.0, < unspecified | ≥ unspecified, < 8.1.8 | ≥ 8.2.0, < unspecified | ≥ unspecified, < 8.2.4
  • bamboo_server≥ unspecified, < 8.0.9 | ≥ 8.1.0, < unspecified | ≥ unspecified, < 8.1.8 | ≥ 8.2.0, < unspecified | ≥ unspecified, < 8.2.4
  • bitbucketEOL< 7.6.16 | ≥ 7.7.0, < 7.17.8 | ≥ 7.18.0, < 7.19.5 | ≥ 7.20.0, < 7.20.2 | ≥ 7.21.0, < 7.21.2 | 8.0.0 | 8.1.0
  • bitbucket_data_center≥ unspecified, < 7.6.16 | ≥ 7.7.0, < unspecified | ≥ 7.16.0, < unspecified | ≥ unspecified, < 7.17.8 | ≥ 7.18.0, < unspecified | ≥ unspecified, < 7.19.5 | ≥ 7.20.0, < unspecified | ≥ unspecified, < 7.20.2 | ≥ 7.21.0, < unspecified | ≥ unspecified, < 7.21.2 | 8.0.0 | 8.1.0

1 vendor · 22 products

References

8 links