IBM Concert 1.0.0 through 3.0.0 could allow a remote attacker to cause a denial of service using a specially crafted regular expression that would cause excessive reso…

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

1. Sep 22, 2026 · NIST NVD

   Detected

   IBM Concert 1.0.0 through 3.0.0 could allow a remote attacker to cause a denial of service using a specially crafted regular expression that would cause excessive resource consumption.

2. Oct 14, 2026 · NIST NVD

   Updated

   IBM Concert 1.0.0 through 3.0.0 could allow a remote attacker to cause a denial of service using a specially crafted regular expression that would cause excessive resource consumption.

Sources

• CVE.orgVulnerability recordCVE-2025-12767

  Official CVE identifier

  cve.org
• FIRST EPSSExploitation probabilityCVE-2025-12767

  30-day exploitation probability 0.4%

  first.org
• NIST NVDVulnerability recordCVE-2025-12767

  IBM Concert 1.0.0 through 3.0.0 could allow a remote attacker to cause a denial of service using a specially crafted regular expression that would cause excessive resource consumption.

  nvd.nist.gov

References

• Reference · ibm.com