How severe is CVE-2026-6499?

CVE-2026-6499 has a CVSS 4.0 base score of 2.4, rated low severity.

Is CVE-2026-6499 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (1st percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-6499?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-6499 have an EU (EUVD) identifier?

Yes. CVE-2026-6499 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-26969.

When was CVE-2026-6499 published?

CVE-2026-6499 was published on 2026-05-04 and last updated on 2026-06-17.

CVE-2026-6499

CVE-2026-6499 is a low-severity vulnerability with a CVSS 4.0 base score of 2.4. 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-732.

Key facts

Severity: Low (CVSS 4.0 base score 2.4)
EPSS exploit prediction: 0% (1st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-26969
Weakness: CWE-732
Published: 2026-05-04
Last modified: 2026-06-17

Description

Incorrect Permission Assignment for Critical Resource vulnerability in ILM Informatique OpenConcerto allows Replace Binaries. This issue affects OpenConcerto: 1.7.5.

Frequently asked questions

What is CVE-2026-6499?: Incorrect Permission Assignment for Critical Resource vulnerability in ILM Informatique OpenConcerto allows Replace Binaries. This issue affects OpenConcerto: 1.7.5.
How severe is CVE-2026-6499?: CVE-2026-6499 has a CVSS 4.0 base score of 2.4, rated low severity.
Is CVE-2026-6499 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (1st percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-6499?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-6499 have an EU (EUVD) identifier?: Yes. CVE-2026-6499 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-26969.
When was CVE-2026-6499 published?: CVE-2026-6499 was published on 2026-05-04 and last updated on 2026-06-17.

References

https://www.openconcerto.org/fr/version-1.7.html

Other CWE-732 (Incorrect Permission Assignment for Critical Resource) vulnerabilities

CVE-2026-9508 — Critical (CVSS 10.0): Incorrect permission settings on a critical resource in Suprema BioStar 2 (versions 2.9.3 through 2.9.11) that allow…
CVE-2025-14988 — Critical (CVSS 10.0): A security issue has been identified in ibaPDA that could allow unauthorized actions on the file system under certain…
CVE-2025-69426 — Critical (CVSS 10.0): The Ruckus vRIoT IoT Controller firmware versions prior to 3.0.0.0 (GA) contain hardcoded credentials for an operating…
CVE-2025-12004 — Critical (CVSS 10.0): Incorrect Permission Assignment for Critical Resource vulnerability in The Wikimedia Foundation Mediawiki - Lockdown…
CVE-2014-125121 — Critical (CVSS 10.0): Array Networks vAPV (version 8.3.2.17) and vxAG (version 9.2.0.34) appliances are affected by a privilege escalation…
CVE-2025-46093 — Critical (CVSS 9.9): LiquidFiles before 4.1.2 supports FTP SITE CHMOD for mode 6777 (setuid and setgid), which allows FTPDrop users to…

Browse all CWE-732 (Incorrect Permission Assignment for Critical Resource) vulnerabilities →