CVE-2012-2926

Severity: critical (CVSS 9.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 66.3% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2012-05-22 · updated 2026-06-16

Description

Atlassian JIRA before 5.0.1; Confluence before 3.5.16, 4.0 before 4.0.7, and 4.1 before 4.1.10; FishEye and Crucible before 2.5.8, 2.6 before 2.6.8, and 2.7 before 2.7.12; Bamboo before 3.3.4 and 3.4.x before 3.4.5; and Crowd before 2.0.9, 2.1 before 2.1.2, 2.2 before 2.2.9, 2.3 before 2.3.7, and 2.4 before 2.4.1 do not properly restrict the capabilities of third-party XML parsers, which allows remote attackers to read arbitrary files or cause a denial of service (resource consumption) via unspecified vectors.

Affected products

Atlassian Bamboo: before 3.3.4; from 3.4 before 3.4.5 — fixed in 3.3.4, 3.4.5
Atlassian Confluence: before 3.5.16 — fixed in 3.5.16
Atlassian Confluence Data Center: from 4.0 before 4.0.7; from 4.1 before 4.1.10 — fixed in 4.0.7, 4.1.10
Atlassian Crowd: before 2.0.9; from 2.1 before 2.1.2; from 2.2.0 before 2.2.9; from 2.3.0 before 2.3.7; from 2.4.0 before 2.4.1 — fixed in 2.0.9, 2.1.2, 2.2.9, 2.3.7, 2.4.1
Atlassian Crucible: before 2.5.8; from 2.6 before 2.6.8; from 2.7 before 2.7.12 — fixed in 2.5.8, 2.6.8, 2.7.12
Atlassian Fisheye: before 2.5.8; from 2.6 before 2.6.8; from 2.7 before 2.7.12 — fixed in 2.5.8, 2.6.8, 2.7.12
Atlassian Jira: before 5.0.1 — fixed in 5.0.1

How to fix

Upgrade to a fixed version: Atlassian Bamboo 3.3.4, 3.4.5; Atlassian Confluence 3.5.16; Atlassian Confluence Data Center 4.0.7, 4.1.10; Atlassian Crowd 2.0.9, 2.1.2, 2.2.9, 2.3.7; Atlassian Crucible 2.5.8, 2.6.8, 2.7.12; Atlassian Fisheye 2.5.8, 2.6.8, 2.7.12; Atlassian Jira 5.0.1. Check the vendor advisory for mitigations.

References

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