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Vulnerability Intelligence

CVE-2012-2926

CriticalPublic exploit

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…

Published May 22, 2012 · Updated Apr 28, 2026

Key Facts

Patch immediately
  • CVE-2012-2926 is a critical-severity vulnerability (CVSS 9.1 v3.1) affecting Bamboo (Atlassian), Confluence (Atlassian), Confluence Server (Atlassian) and 4 more products.
  • It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
  • EPSS estimates a 66% probability of exploitation in the next 30 days.
  • Fixed versions are available, including Bamboo 3.3.4, Confluence 3.5.16, Confluence Server 4.0.7.
  • Brandefense priority: patch immediately, because it is very likely to be exploited soon.

CVSS v3.1

9.1

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

EPSS (30-day exploit likelihood)

66%

Higher than 99.2% of all scored CVEs

Exploited in the wild

No known

Not in a known-exploited catalog

Public exploit code

Available

Proof-of-concept or weaponized module

Get the full CVE-2012-2926 brief as a PDF

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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

7 affected entries in total
ProductAffected versionsFixed in
BambooAtlassianSee advisory3.3.4
ConfluenceAtlassianSee advisory3.5.16
Confluence ServerAtlassianSee advisory4.0.7
CrowdAtlassianSee advisory2.0.9
CrucibleAtlassianSee advisory2.5.8
2 more affected products in the full CVE brief

Patched Releases

Bamboo

3.3.4

Confluence

3.5.16

Confluence Server

4.0.7

Crowd

2.0.9

Crucible

2.5.8

Fisheye

2.5.8

Jira

5.0.1

Timeline

  1. Publicly disclosed

    May 22, 2012

  2. Last updated

    Apr 28, 2026

References

6 more references in the full CVE brief

FAQ

Common Questions.

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