How severe is CVE-2026-6500?

CVE-2026-6500 has a CVSS 4.0 base score of 4.8, rated medium severity.

Is CVE-2026-6500 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-2026-6500?

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

Does CVE-2026-6500 have an EU (EUVD) identifier?

Yes. CVE-2026-6500 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-26971.

When was CVE-2026-6500 published?

CVE-2026-6500 was published on 2026-05-04 and last updated on 2026-06-17.

CVE-2026-6500

CVE-2026-6500 is a medium-severity vulnerability with a CVSS 4.0 base score of 4.8. 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-256.

Key facts

Severity: Medium (CVSS 4.0 base score 4.8)
EPSS exploit prediction: 0% (1st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-26971
Weakness: CWE-256
Published: 2026-05-04
Last modified: 2026-06-17

Description

Plaintext storage of a password vulnerability in ILM Informatique OpenConcerto allows Retrieve Embedded Sensitive Data. This issue affects OpenConcerto: 1.7.5.

Frequently asked questions

What is CVE-2026-6500?: Plaintext storage of a password vulnerability in ILM Informatique OpenConcerto allows Retrieve Embedded Sensitive Data. This issue affects OpenConcerto: 1.7.5.
How severe is CVE-2026-6500?: CVE-2026-6500 has a CVSS 4.0 base score of 4.8, rated medium severity.
Is CVE-2026-6500 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-2026-6500?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-6500 have an EU (EUVD) identifier?: Yes. CVE-2026-6500 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-26971.
When was CVE-2026-6500 published?: CVE-2026-6500 was published on 2026-05-04 and last updated on 2026-06-17.

References

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

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