CVE-2026-96872
📛 CVE Title
WikiLambda public function execution bypasses the unsaved-code permission through nested Z825 compositions
Description
Improper handling of insufficient permissions or privileges vulnerability in The Wikimedia Foundation Mediawiki - WikiLambda Extension on Linux, MacOS, and Windows allows Accessing Functionality Not Properly Constrained by ACLs. This issue affects Mediawiki - WikiLambda Extension: before 1.47.0.
Overview
- State
- PUBLISHED
- Assigner (CNA)
- wikimedia-foundation
- CVSS severity
- LOW
- CVSS score
- 2.9 / 10
- CVSS vector
CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N/E:P/AU:Y- Effective score
- 2.9 / 10 LOW source: CNA overview
- CWE(s)
-
CWE-280 - Reserved
- 2026-09-23
- Published
- 2026-09-23 18:50 UTC
- Last updated
- 2026-09-23 19:35 UTC
- Source
- https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/96xxx/CVE-2026-96872.json
NVD triage scoring NVD CVE 2.0
Layer NVD adds on top of the CNA's CVE record — published / last-modified timestamps, exploitability / impact subscores, and the FIRST.org EPSS probability that this CVE will be exploited in the wild in the next 30 days.
- NVD published
- 2026-09-23 19:19:55 UTC
- NVD last modified
- 2026-09-23 20:17:27 UTC
NVD / KEV / EPSS data refreshed 2026-09-24 04:21 UTC. Re-run the 🛰 Backfill from NVD button above to refresh.
European Union Vulnerability Database ENISA EUVD
ENISA's official EU repository for curated vulnerability intelligence. Carries a separate identifier (EUVD-YYYY-NNNN) and frequently exposes an earlier-published description + CVSS than NVD does.
- EUVD ID
-
EUVD-2026-85562 - Assigner
- wikimedia-foundation
- Published
- Sep 23, 2026, 6:50:13 PM
- Updated
- Sep 23, 2026, 7:35:06 PM
- EUVD base score (CVSS 4.0)
-
2.9 / 10
CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N/E:P/AU:Y - EUVD-reported EPSS
- 0.0000
- Vendors
- The Wikimedia Foundation
- Products
-
Mediawiki - WikiLambda Extension (0 <1.47.0)
- Aliases
-
GHSA-c7v9-97f3-3pxf
ENISA description: Improper handling of insufficient permissions or privileges vulnerability in The Wikimedia Foundation Mediawiki - WikiLambda Extension on Linux, MacOS, and Windows allows Accessing Functionality Not Properly Constrained by ACLs. This issue affects Mediawiki - WikiLambda Extension: before 1.47.0.
Affected products (1)
| Vendor | Product | Versions | Platforms |
|---|---|---|---|
| The Wikimedia Foundation | Mediawiki - WikiLambda Extension |
0 (affected)
|
Linux, MacOS, Windows |
Vendor references (2)
References embedded in the original CVE record by the assigning CNA.
Web references (0)
DuckDuckGo results ranked by threat-intel / vendor advisory domains. Generated by the 🔎 Find references (web) button above — same flow as the Remediations search.
No web references attached yet.
NVD-tagged references (2)
Reference list NVD curates from the CNA record, vendor advisories, and third-party reports. The tag chips below are NVD's analyst-assigned categories.
- https://gerrit.wikimedia.org/r/c/mediawiki/extensions/WikiLambda/+/1326392 c4f26cc8-17ff-4c99-b5e2-38fc1793eacc
- https://phabricator.wikimedia.org/T435085 c4f26cc8-17ff-4c99-b5e2-38fc1793eacc
Remediations (10)
-
web:app.opencve.io
Remediation No vendor fix or workaround currently provided. OpenCVE Recommended Actions Apply the Microsoft security update that addresses CVE -2026‑62872. Disable or restrict remote access to .NET Framework components until the patch is applied.
2026-09-24 11:41 UTC -
web:msrc.microsoft.com
Security Update Guide - Microsoft Security Response Center
2026-09-24 11:41 UTC -
web:sec.cloudapps.cisco.com
On September 16, 2026 , the Cisco Product Security Incident Response Team (PSIRT) published the advisories that are listed in the following tables. To remediate these vulnerabilities, Cisco strongly recommends that customers upgrade to the fixed software that is indicated in the advisories. For more information about changes in Cisco PSIRT vulnerability disclosure, see Strengthening the ...
2026-09-24 11:41 UTC -
web:senserva.com
Every Microsoft security patch (KB) and the CVEs it fixes, with severity, CVSS, and CISA KEV status. Cross-linked to the CVE reference.
2026-09-24 11:41 UTC -
web:support.microsoft.com
Be aware that the update in the Microsoft Download Center applies to the Microsoft Installer (.msi)-based edition of Office 2016. It doesn't apply to the Office 2016 Click-to-Run editions, such as Microsoft Office 365 Home. (See What version of Office am I using?) How to get and install the update Method 1: Microsoft Update This update is available from Microsoft Update. When you turn on ...
2026-09-24 11:41 UTC -
web:support.servicenow.com
Due to additional analysis provided by the security researcher who discovered CVE - 2026 -6876, we have upgraded the severity rating of CVE - 2026 -6876 from High to Critical. This change affects only the severity
2026-09-24 11:41 UTC -
web:windowsforum.com
Microsoft published CVE - 2026 -62878 on August 11 as a Windows DNS Server Remote Code Execution Vulnerability, putting systems that run the Windows DNS Server role into the immediate patch -and-verify queue.
2026-09-24 11:41 UTC -
web:www.aikido.dev
CVE remediation is fixing known flaws in the software you run. Why upgrading often fails, what remediation actually involves, and how backporting fixes it.
2026-09-24 11:41 UTC -
web:www.rapid7.com
Microsoft is publishing 421 vulnerabilities on August 2026 Patch Tuesday, including 236 vulnerabilities in Windows. Rapid7 has disclosed the second in a two-part critical remote execution vulnerability chain in SharePoint.
2026-09-24 11:41 UTC -
web:www.techtimes.com
ServiceNow CVE - 2026 -6875, a critical unauthenticated RCE in the AI Platform, is under active exploitation. Threat intelligence firm Defused confirmed a second sandbox-escape gadget chain that ...
2026-09-24 11:41 UTC
AI Forensic Analysis
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Raw JSON
The full cvelistV5 record. Download as CVE-2026-96872.json.
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