ZDF
Sign inSign up

Vulnerabilities

Vulnerability · CVE-2026-8857

mediawiki mediawiki Improper Control of Generation of Code

Published Jul 1, 2026 · catalog updated Nov 5, 2026 · mediawiki mediawiki Improper Control

Last checked Nov 8, 2026. A connected source was read within the last 7 days.

Patch now

CVE-2026-8857 is in the CISA known-exploited catalog. Confirm mediawiki mediawiki Improper Control against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (mediawiki mediawiki Improper Control).

Same product and reporting

Severity
None0.0
Known exploitation
CISA KEV and VulnCheck KEV
EPSS
2.10%
Remediation
Remediation guidance
Affected products
cpe mediawiki/mediawiki · vendor mediawiki mediawiki

A vulnerability in Wikimedia Foundation timeline. This vulnerability is associated with program files scripts/EasyTimeline.Pl, includes/Timeline.Php. This issue affects timeline: from * before 1.46.0, 1.45.4, 1.44.6, 1.43.9. VulnCheck canary evidence.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe mediawiki/mediawiki< 1.43.9
  • cpe mediawiki/mediawiki< 1.44.6
  • cpe mediawiki/mediawiki< 1.45.4
  • vendor mediawiki mediawikiversion unspecified

How to fix CVE-2026-8857

What to do

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

Should you patch?

CVE-2026-8857 is in the CISA known-exploited catalog. Confirm mediawiki mediawiki Improper Control against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Which versions are affected?

Compare what you have installed with < 1.43.9, < 1.44.6, < 1.45.4. Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

What should an analyst verify?

CWE-94: Code Injection. EPSS 2.10%. The CISA KEV listing is the exploitation evidence. 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. Nov 5, 2026 · VulnCheck KEV

    Detected

    A vulnerability in Wikimedia Foundation timeline. This vulnerability is associated with program files scripts/EasyTimeline.Pl, includes/Timeline.Php. This issue affects timeline: from * before 1.46.0, 1.45.4, 1.44.6, 1.43.9. VulnCheck canary evidence.

  2. Nov 5, 2026 · CISA KEV

    Known exploited

    Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

Sources

  • CVE.orgVulnerability recordCVE-2026-8857

    Official CVE identifier

    cve.org
  • NIST NVDVulnerability recordCVE-2026-8857

    A vulnerability in Wikimedia Foundation timeline. This vulnerability is associated with program files scripts/EasyTimeline.Pl, includes/Timeline.Php. This issue affects timeline: from * before 1.46.0, 1.45.4, 1.44.6, 1.43.9.

    nvd.nist.gov
  • VulnCheck KEVConfirmed exploitationCVE-2026-8857

    A vulnerability in Wikimedia Foundation timeline. This vulnerability is associated with program files scripts/EasyTimeline.Pl, includes/Timeline.Php. This issue affects timeline: from * before 1.46.0, 1.45.4, 1.44.6, 1.43.9.

    vulncheck.com

References

Freshness

Last verified in this catalog Nov 5, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • VulnCheck KEVNov 8, 2026
  • CVE.orgNov 6, 2026
  • NIST NVDNov 5, 2026