CVE-2026-78850
mediumAn issue in Matomo v.5.11.2 allows a remote attacker to obtain sensitive information via the SiteContentDetector / SitesManager component.
An issue in Matomo v.5.11.2 allows a remote attacker to obtain sensitive information via the SiteContentDetector / SitesManager component. NOTE: the Supplier disputes the relevance of this report because the site administrator is a trusted party, and would not plausibly set main_url to a URL that offers additional information to an adversary.
CVSS
5.0
5.0 (CVSS v3.1)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N Severity source: NVD CVSS v3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
Timeline (UTC)
Published: 2026-10-15 17:17
Modified: 2026-10-26 14:16
NVD status: Awaiting Analysis
Last synced 2 days ago
Verified against the source API 2026-10-27 07:03 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).
Affected products
Not reported by the source (unknown — not "none").
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
No vendor advisory or patch reference tagged by NVD. Check the references below.
References
- https://github.com/SLO-CYBER-SEC/CVE-2026-78850 cve@mitre.org
- https://github.com/matomo-org/matomo cve@mitre.org
- https://github.com/matomo-org/matomo/pull/24834 cve@mitre.org
- https://github.com/matomo-org/matomo/security/advisories cve@mitre.org
- https://github.com/matomo-org/matomo/tree/5.11.2 cve@mitre.org
- https://matomo.org/ cve@mitre.org
- https://github.com/SLO-CYBER-SEC/CVE-2026-78850 134c704f-9b21-4f2e-91b3-4a467353bcc0
Data sources
NVD CVE API 2.0 — fetched 2026-10-27 07:03 UTC · record ↗