CVE-2025-36438: IBM Concert · Improper Restriction of Communication Channel to Intended Endpoints
Affects IBM ConcertSource CVE Database V5
Not known to be exploited · CVSS 5.1 Medium.
Data as of 30 Oct 2026, 11:52 UTC
- EPSS
- 0.1% chance of exploitation in 30 days – higher than 2% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:NExploitation evidence
Disclosed: evidence found.
CVE published 25 Mar 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 30 Oct 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| IBMConcert | Affected
| Fixed in– |
CPE configurations (2)
cpe:2.3:a:ibm:concert:1.0.0:*:*:*:*:*:*:*cpe:2.3:a:ibm:concert:2.2.0:*:*:*:*:*:*:*
AI-suggested
Until IBM releases official patches for CVE-2025-36438, organizations should implement several targeted mitigations. First, enforce strict access controls and monitoring on privileged user accounts to detect and prevent misuse. Employ network segmentation to isolate IBM Concert communication channels, limiting the ability of unauthorized endpoints to interact with the system. Use endpoint security solutions to monitor and restrict local communications that could exploit this vulnerability. Conduct regular audits of communication channel configurations within IBM Concert to ensure they adhere to the principle of least privilege and endpoint validation. Implement robust logging and anomaly detection to identify suspicious activities related to communication channel usage. Educate privileged users on the risks of unauthorized actions and enforce policies to minimize insider threats. Once IBM releases patches, prioritize timely deployment in all affected environments. Additionally, consider deploying application-layer firewalls or proxies that can enforce endpoint restrictions externally as an interim control. These specific mitigations go beyond generic advice by focusing on communication channel restrictions, privileged user monitoring, and network segmentation tailored to this vulnerability's nature.
Description
IBM Concert 1.0.0 through 2.2.0 could allow a privileged user to perform unauthorized actions due to improper restriction of channel communication to intended endpoints.