CVE-2026-5762
CVE-2026-5762 is a medium-severity vulnerability with a CVSS 4.0 base score of 5.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-770.
Key facts
- Severity: Medium (CVSS 4.0 base score 5.3)
- EPSS exploit prediction: 0% (17th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-19897
- Weakness: CWE-770
- Published:
- Last modified:
Description
Allocation of resources without limits or throttling vulnerability in Wikimedia Foundation MediaWiki - ReportIncident Extension allows HTTP DoS. This issue was remediated only on the `master` branch.
Frequently asked questions
- What is CVE-2026-5762?
- Allocation of resources without limits or throttling vulnerability in Wikimedia Foundation MediaWiki - ReportIncident Extension allows HTTP DoS. This issue was remediated only on the `master` branch.
- How severe is CVE-2026-5762?
- CVE-2026-5762 has a CVSS 4.0 base score of 5.3, rated medium severity.
- Is CVE-2026-5762 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (17th percentile), an estimate of the probability of exploitation in the next 30 days.
- How do I fix CVE-2026-5762?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2026-5762 have an EU (EUVD) identifier?
- Yes. CVE-2026-5762 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-19897.
- When was CVE-2026-5762 published?
- CVE-2026-5762 was published on 2026-04-07 and last updated on 2026-06-17.
References
- https://gerrit.wikimedia.org/r/c/mediawiki/extensions/ReportIncident/+/1226884
- https://phabricator.wikimedia.org/T414582
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