CVE-2026-68533
Concrete CMS below 9.5.3 conversation attachment uploaded endpoint imported files into the file manager before evaluating the "Add Message Attachments" permission, which was only checked after the file had been stored.
Published Sep 15, 2026 · Updated Sep 18, 2026
The full analysis for this CVE is not ready yet, so this page shows the scores and scope from the public record. How CVEs are selected
Key Facts
Routine patching- CVE-2026-68533 is a low-severity vulnerability (CVSS 2.3).
- It is not listed in any known-exploited vulnerabilities catalog. No public exploit code is known.
- No fixed version is listed yet; check the vendor advisory for mitigations.
- Brandefense priority: routine patching, as no exploitation is known and its severity is moderate or low.
Scores
CVSS
2.3
EPSS (30-day exploit likelihood)
n/a
Exploit maturity
None known
ATLAS score
n/a
Outside the curated set
FAQ
Common Questions.
Concrete CMS below 9.5.3 conversation attachment uploaded endpoint imported files into the file manager before evaluating the "Add Message Attachments" permission, which was only checked after the file had been stored.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
No public exploit code is known.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: routine patching, as no exploitation is known and its severity is moderate or low.
Is CVE-2026-68533 On Your Attack Surface?
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