Vulnerability in Wikimedia Foundation Scribunto. (CVE-2026-34089)
A vulnerability exists in Wikimedia Foundation Scribunto affecting versions from 1.45.0 up to but not including 1.45.2. The issue is identified by CVE-2026-34089 and involves security weaknesses categorized under CWE-401 and CWE-79. The CVSS 3.1 base score is 7.5, indicating a high impact on availability but no impact on confidentiality or integrity. No official patch information is provided in the available data.
AI Analysis
Technical Summary
CVE-2026-34089 is a vulnerability in Wikimedia Foundation Scribunto affecting versions >=1.45.0 <1.45.2. The vulnerability is characterized by issues related to improper memory release (CWE-401) and cross-site scripting (CWE-79). The CVSS 3.1 vector indicates network attack vector, low attack complexity, no privileges required, no user interaction, unchanged scope, no confidentiality or integrity impact, but high impact on availability (CVSS score 7.5). There is no vendor advisory or patch information available at this time.
Potential Impact
The vulnerability can cause a high impact on availability of the affected Scribunto component, potentially leading to denial of service conditions. There is no impact on confidentiality or integrity according to the CVSS vector. No known exploits are reported in the wild.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or workaround information is currently available.
Vulnerability in Wikimedia Foundation Scribunto. (CVE-2026-34089)
Description
A vulnerability exists in Wikimedia Foundation Scribunto affecting versions from 1.45.0 up to but not including 1.45.2. The issue is identified by CVE-2026-34089 and involves security weaknesses categorized under CWE-401 and CWE-79. The CVSS 3.1 base score is 7.5, indicating a high impact on availability but no impact on confidentiality or integrity. No official patch information is provided in the available data.
CVSS v3.1
Score 7.5high
Affected software
pkg:github/wikimedia/scribuntoRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-34089 is a vulnerability in Wikimedia Foundation Scribunto affecting versions >=1.45.0 <1.45.2. The vulnerability is characterized by issues related to improper memory release (CWE-401) and cross-site scripting (CWE-79). The CVSS 3.1 vector indicates network attack vector, low attack complexity, no privileges required, no user interaction, unchanged scope, no confidentiality or integrity impact, but high impact on availability (CVSS score 7.5). There is no vendor advisory or patch information available at this time.
Potential Impact
The vulnerability can cause a high impact on availability of the affected Scribunto component, potentially leading to denial of service conditions. There is no impact on confidentiality or integrity according to the CVSS vector. No known exploits are reported in the wild.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or workaround information is currently available.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-mcf6-vhp9-g7jr
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-34089"]
- Ecosystems
- []
- Database Specific Severity
- LOW
- Cvss Version
- 3.1
Threat ID: 6a7b6fd9bf8831d5393eaffe
Added to database: 08/11/2026, 18:54:17 UTC
Last enriched: 08/11/2026, 19:04:00 UTC
Last updated: 08/12/2026, 01:01:58 UTC
Views: 4
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.