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TI-2026-76522 Aliases CVE-2026-6930GHSA-wcgf-jf66-4mqx

Risky cryptographic algorithm in IBM Concert exposes sensitive data

Priority LOW 32CWE-327Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Information disclosure
Confidentiality · integrity · availability
High · None · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-327.

Summary

IBM Concert versions 1.0.0 through 3.0.0 use weaker than expected cryptographic algorithms. A remote attacker without privileges can exploit this to decrypt highly sensitive information. This is tracked as CWE-327, use of a broken or risky cryptographic algorithm.

Written with Claude Haiku 5.5 from the sources below · 2026-11-03

Description from the CNA

IBM Concert 1.0 through 3.0.0 uses weaker than expected cryptographic algorithms that could allow an attacker to decrypt highly sensitive information.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00152 4th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
IBMConcert1.0.0 – 3.0.0—No fix listedCNA
  • Concert VendorIBM Affected 1.0.0 – 3.0.0 Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:ibm:concert:*:*:*:*:*:*:*:*1.0.0 – 3.0.0VulnerableIBM
cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*not specified by NVDRunning onLinux
  • cpe:2.3:a:ibm:concert:*:*:*:*:*:*:*:* Versions 1.0.0 – 3.0.0 Vulnerable ·IBM
  • cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Linux

Remediation

The sources list no fixed version for IBM Concert.

Written with Claude Haiku 5.5 from the sources below · 2026-11-03

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Advisory ·

    IBM Concert — ibm.com/support/pages/node/7292374

    9 records Highest priority Priority LOW 9 LOW

    Other records, highest priority first

    • TI-2026-76521 Weak cryptographic algorithms in IBM Concert expose sensitive dataPriority LOW 39
    • TI-2026-76524 IBM Concert Improper Output Neutralization for LogsPriority LOW 30
    • TI-2026-76517 Information disclosure in IBM Concert through schema suggestionsPriority LOW 30
    Show all 9 records → Advisory →

Timeline

  1. 2026-10-19 Threatist record created from CVE-2026-6930
  2. 2026-10-19 CISA SSVC decision points changed
  3. 2026-10-20 Alias added: GHSA-wcgf-jf66-4mqx
  4. 2026-11-03 CVSS score added · NVD

References

Patch 1

  • TI-2026-05889 Multiple Vulnerabilities in IBM Concert Software CVSS 3.1CRITICAL 9.8
  • TI-2026-06070 Multiple Vulnerabilities in IBM Concert Software CVSS 3.1CRITICAL 9.8
  • TI-2026-05896 Multiple Vulnerabilities in IBM Concert Software CVSS 3.1CRITICAL 9.8
  • TI-2026-03128 Multiple Vulnerabilities in IBM Concert Software CVSS 3.1CRITICAL 9.1
  • TI-2025-24073 Multiple Vulnerabilities in IBM Concert Software. CVSS 3.1CRITICAL 9.8
  • TI-2026-14345 Multiple Vulnerabilities in IBM Concert Software CVSS 3.1CRITICAL 9.6
See all 91 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences