CVE-2026-6794
CVE-2026-6794 is a high-severity vulnerability in Ibm Concert with a CVSS 3.x base score of 7.8. 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-415.
Key facts
- Severity: High (CVSS 3.x base score 7.8)
- EPSS exploit prediction: 0% (1st percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-415
- Affected product: Ibm Concert
- Published:
- Last modified:
Description
IBM Concert 1.0.0 through 3.0.0 has a double free vulnerability that exists due to incorrect memory management. A local attacker can exploit this flaw to corrupt heap memory and execute arbitrary code in the context of the affected process.
Frequently asked questions
- What is CVE-2026-6794?
- IBM Concert 1.0.0 through 3.0.0 has a double free vulnerability that exists due to incorrect memory management. A local attacker can exploit this flaw to corrupt heap memory and execute arbitrary code in the context of the affected process.
- How severe is CVE-2026-6794?
- CVE-2026-6794 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2026-6794 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.
- What products are affected by CVE-2026-6794?
- CVE-2026-6794 affects Ibm Concert. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2026-6794?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2026-6794 published?
- CVE-2026-6794 was published on 2026-09-23 and last updated on 2026-09-28.
References
Affected products (1)
- cpe:2.3:a:ibm:concert:*:*:*:*:*:*:*:*
More vulnerabilities in Ibm Concert
- CVE-2026-6928 — Critical (CVSS 9.8): IBM Concert 1.0.0 through 3.0.0 references or accesses memory after it has been freed. This allows an attacker who can…
- CVE-2026-6730 — Critical (CVSS 9.8): IBM Concert 1.0.0 through 3.0.0 is vulnerable to a buffer overflow, caused by improper bounds checking. A local user…
- CVE-2026-6721 — Critical (CVSS 9.8): IBM Concert 1.0.0 through 3.0.0 allows an unauthenticated remote attacker can supply specially crafted input that is…
- CVE-2026-3627 — Critical (CVSS 9.1): IBM Concert 1.0.0 through 2.3.1 is vulnerable to SQL injection. A remote attacker could send specially crafted SQL…
- CVE-2025-33015 — High (CVSS 8.8): IBM Concert 1.0.0 through 2.1.0 is vulnerable to malicious file upload by not validating the content of the file…
- CVE-2026-6935 — High (CVSS 7.8): IBM Concert 1.0.0 through 3.0.0 invokes operating system commands without fully qualifying executable paths or…
All CVEs affecting Ibm Concert →
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- CVE-2026-77493 — Critical (CVSS 9.8): Double free in Microsoft Graphics Component allows an unauthorized attacker to execute code over a network.
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