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CVE-2026-6718: CWE-276 Incorrect Default Permissions in IBM Concert

0
Medium
VulnerabilityCVE-2026-6718cvecve-2026-6718cwe-276
Published: 09/23/2026 (09/23/2026, 20:44:39 UTC)
Source: CVE Database V5
Vendor/Project: IBM
Product: Concert

Description

IBM Concert versions 1.0.0 through 3.0.0 have an improper access control vulnerability due to incorrect default permissions. This flaw allows unauthorized users to modify application files without proper authorization. The vulnerability has a medium severity rating with a CVSS score of 6.2.

CVSS v3.1

Score 6.2medium

Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
None
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Affected software

IBM

Concert

Affected versions
>=1.0.0 <=3.0.0
GitHub Actionsmore threats →ai
ibm/concert
pkg:github/ibm/concert
Affected versions
>=1.0.0 <=3.0.0
CPE configurations (2)
cpe:2.3:a:ibm:concert:1.0.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:concert:3.0.0:*:*:*:*:*:*:*

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AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 09/24/2026, 01:58:51 UTC

Technical Analysis

CVE-2026-6718 describes an incorrect default permissions vulnerability (CWE-276) in IBM Concert versions 1.0.0 through 3.0.0. The vulnerability allows unauthorized modification of application files due to improper access control settings. The CVSS 3.1 base score is 6.2, reflecting local attack vector, low attack complexity, no privileges required, no user interaction, unchanged scope, no confidentiality impact, high integrity impact, and no availability impact.

Potential Impact

Unauthorized users can modify application files in IBM Concert 1.0.0 through 3.0.0, potentially compromising the integrity of the application. There is no impact on confidentiality or availability according to the CVSS vector.

Mitigation Recommendations

No patch or official fix information is provided in the available data. Patch status is not yet confirmed — check the vendor advisory for current remediation guidance.

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Technical Details

Data Version
5.2
Assigner Short Name
ibm
Date Reserved
2026-04-20T19:23:54.042Z
Cvss Version
3.1
State
PUBLISHED

Threat ID: 6ab48379f7a7c54106b23ca2

Added to database: 09/24/2026, 01:57:13 UTC

Last enriched: 09/24/2026, 01:58:51 UTC

Last updated: 09/24/2026, 03:29:04 UTC

Views: 5

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