CVE-2026-34089

Memory leak in Scribunto causes runJobs.php to run out of memory

Published May 11, 2026 CVSS 4.0 · 2.3 Low EPSS < 1% KEV · Not listed
Description
Vulnerability in Wikimedia Foundation Scribunto.

This issue affects Scribunto: from 1.45.0 before 1.45.2.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

No advisories available
References
History
Type Values Removed Values Added
Weaknesses CWE-401
CPEs cpe:2.3:a:wikimedia:scribunto:*:*:*:*:*:mediawiki:*:*
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Weaknesses CWE-401
Type Values Removed Values Added
Weaknesses CWE-401
CWE-79
Type Values Removed Values Added
First Time appeared Wikimedia
Wikimedia scribunto
Vendors & Products Wikimedia
Wikimedia scribunto
Type Values Removed Values Added
Description Vulnerability in Wikimedia Foundation Scribunto. This issue affects Scribunto: from 1.45.0 before 1.45.2.
Title Memory leak in Scribunto causes runJobs.php to run out of memory
References
Metrics cvssV4_0

{'score': 2.3, 'vector': 'CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
wikimedia-foundation
Published
Updated
May 11, 2026, 3:53 PM
Reserved
Mar 25, 2026, 5:15 PM
Status
Analyzed
Published
May 11, 2026, 4:17 PM
Modified
Oct 26, 2026, 12:10 AM