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TI-2026-76512 Aliases CVE-2026-1501GHSA-grhr-76h5-c682

Improper certificate validation in IBM Concert

Priority LOW 16CWE-295Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-295.

Summary

IBM Concert 1.0 through 3.0.0 is affected by improper certificate validation (CWE-295). The product does not correctly validate certificates, so a remote attacker with low privileges can gain limited access to or alter data when a user interacts with the attack. The impact is partial loss of confidentiality and integrity, with no effect on availability.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

Description from the CNA

IBM Concert 1.0 through 3.0.0 is vulnerable to Improper Certificate Validation.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0009 0th 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 · 2026-10-28

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-2026-76522 Risky cryptographic algorithm in IBM Concert exposes sensitive dataPriority LOW 32
    • TI-2026-76524 IBM Concert Improper Output Neutralization for LogsPriority LOW 30
    Show all 9 records → Advisory →

Timeline

  1. 2026-10-19 Threatist record created from CVE-2026-1501
  2. 2026-10-19 CISA SSVC decision points changed
  3. 2026-10-20 Alias added: GHSA-grhr-76h5-c682

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