CVE-2012-2926
CriticalPublic exploitAtlassian 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
Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.
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| Product | Affected versions | Fixed in |
|---|---|---|
| BambooAtlassian | See advisory | 3.3.4 |
| ConfluenceAtlassian | See advisory | 3.5.16 |
| Confluence ServerAtlassian | See advisory | 4.0.7 |
| CrowdAtlassian | See advisory | 2.0.9 |
| CrucibleAtlassian | See advisory | 2.5.8 |
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
Publicly disclosed
May 22, 2012
Last updated
Apr 28, 2026
References
- advisoryfisheye-crucible-xml-dos(75682)
- advisoryjira-xml-dos(75697)
- advisory53595
- patchhttp://confluence.atlassian.com/display/BAMBOO/Bamboo+Security+Advisory+2012-05-17
- patchhttp://confluence.atlassian.com/display/CROWD/Crowd+Security+Advisory+2012-05-17
FAQ
Common Questions.
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 n…
Affected: Bamboo (Atlassian); Confluence (Atlassian); Confluence Server (Atlassian), among others. The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
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.
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