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Vulnerabilities

Vulnerability · CVE-2026-34086

Vulnerability in Wikimedia Foundation AbuseFilter.

Published May 11, 2026 · catalog updated Jun 17, 2026 · Vulnerability in Wikimedia Foundation

Check if you run it

No confirmed exploitation is on record for CVE-2026-34086. EPSS is 0.32%. Act only if a listed version of Vulnerability in Wikimedia Foundation is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (Vulnerability in Wikimedia Foundation).
  • No version range is stored. A customer cannot check an installed version against this record.
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Low2.1
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.32%
Remediation
Not established
Affected products
See sources for product scope

Vulnerability in Wikimedia Foundation AbuseFilter. This issue affects AbuseFilter: from * before 1.43.7, 1.44.4, 1.45.2.

No affected version ranges are stored yet. Use the vendor advisory before you decide this record does not apply.

How to fix CVE-2026-34086

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-34086. EPSS is 0.32%. Act only if a listed version of Vulnerability in Wikimedia Foundation is installed.

Which versions are affected?

Affected version ranges are not on this record. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-20: Improper Input Validation. EPSS 0.32%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. May 11, 2026 · NIST NVD

    Detected

    Vulnerability in Wikimedia Foundation AbuseFilter. This issue affects AbuseFilter: from * before 1.43.7, 1.44.4, 1.45.2.

  2. Jun 17, 2026 · NIST NVD

    Updated

    Vulnerability in Wikimedia Foundation AbuseFilter. This issue affects AbuseFilter: from * before 1.43.7, 1.44.4, 1.45.2.

Sources

  • CVE.orgVulnerability recordCVE-2026-34086

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-34086

    30-day exploitation probability 0.3%

    first.org
  • NIST NVDVulnerability recordCVE-2026-34086

    Vulnerability in Wikimedia Foundation AbuseFilter. This issue affects AbuseFilter: from * before 1.43.7, 1.44.4, 1.45.2.

    nvd.nist.gov

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.