CVE-2012-2926

critical

Published 2012-05-22 · Modified 2026-04-29

💬 Discuss on Community ✚ Propose mitigation

CVSS v3

9.1

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

CVSS v4 NEW

—

not yet in upstream

VIR risk

10.0

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.

Predictions

Exploit likelihood

94%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.

✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

Exploits

Public proof-of-concept code below. AS-IS, for defenders and authorised testing only.

Metasploit modules

auxiliary_scanner/http/atlassian_crowd_fileaccess rank 300

Atlassian Crowd XML Entity Expansion Remote File Access

Source code queued for fetch — refresh in a moment.

Application impact

Vendor	Product	Versions	Fixed
atlassian	bamboo	`{"endExcluding":"3.3.4"}`	`3.3.4`
atlassian	confluence	`{"endExcluding":"3.5.16"}`	`3.5.16`
atlassian	confluence_server	`{"startIncluding":"4.0","endExcluding":"4.0.7"}`	`4.0.7`
atlassian	crowd	`{"endExcluding":"2.0.9"}`	`2.0.9`
atlassian	crucible	`{"endExcluding":"2.5.8"}`	`2.5.8`
atlassian	fisheye	`{"endExcluding":"2.5.8"}`	`2.5.8`
atlassian	jira	`{"endExcluding":"5.0.1"}`	`5.0.1`

References

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.