CVE-2026-6327: IBM Concert · Log Injection
Affects IBM ConcertSource CVE Database V5
Not known to be exploited · CVSS 4.3 Medium.
Data as of 6 Nov 2026, 23:24 UTC
- EPSS
- 0.2% chance of exploitation in 30 days – higher than 20% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:NExploitation evidence
Disclosed: evidence found.
CVE published 23 Sep 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 6 Nov 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:3.0.0:*:*:*:*:*:*:*
AI-suggested
Until a fix is available, monitor for unusual log entries and restrict unauthorized access to the system to reduce risk.
Description
IBM Concert 1.0.0 through 3.0.0 could allow an unauthorized user to inject data into log messages due to improper neutralization of special elements when written to log files.