App Connect Operator: Insertion of Sensitive Information into Log File
CVE-2026-109158 is a high-severity insertion of sensitive information into log file vulnerability in App Connect Operator from IBM, with a CVSS 3.1 base score of 7.5 out of 10. It can be exploited remotely over the network by an unauthenticated attacker, without any action from a user. Affected App Connect Operator versions: 12.1.0 through 12.21.0; 12.0.0 through 12.0.28; 13.0.0 through 13.6.0. The record does not name a fixed version, so check the vendor advisory. There is no confirmed exploitation so far. EPSS estimates a 0.38% chance of exploitation within 30 days, which is low compared with other CVEs.
High severity with no evidence of exploitation so far.
What to do
- Check which version of App Connect Operator you run against the affected versions below, and install the vendor's latest release.
- Until you can update, restrict network access to the affected service so it is not reachable from untrusted networks.
Affected products and versions
| Vendor | Product | Affected versions | Fixed in |
|---|---|---|---|
| IBM | App Connect Operator | 12.1.0 through 12.21.0; 12.0.0 through 12.0.28; 13.0.0 through 13.6.0 | Not stated |
| IBM | App Connect Enterprise Certified Containers Operands | 12.0.11.1-r1 through 12.0.12.5-r1; 13.0.1.0-r1 through 13.0.6.2-r1; 12.0.12-r1 through 12.0.12-r28; 13.0.7.0-r1 through 13.0.9.0-r1 | Not stated |
Version data comes from the organisation that assigned the CVE. Confirm against the vendor advisory before deciding you are unaffected.
How the severity score breaks down
- Attack vector
- NetworkCan be exploited remotely over a network, including the internet.
- Attack complexity
- LowNo special conditions are needed; the attack works reliably.
- Privileges required
- NoneNo account or login is needed.
- User interaction
- NoneNo action by a victim is required.
- Scope
- UnchangedImpact stays within the vulnerable component.
- Confidentiality
- HighAll data handled by the component can be read.
- Integrity
- NoneNothing can be modified.
- Availability
- NoneAvailability is not affected.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N. Scored by CNA (us.ibm.com).
Official description
IBM App Connect Operator and IBM App Connect Enterprise Certified Containers Operands may allow the AI Agent to log sensitive information about the deployed environment within error messages.
Source: the CVE record as published by its numbering authority, via NVD and CVE.org.
The underlying weakness: Insertion of Sensitive Information into Log File
The product writes sensitive information to a log file.
How developers prevent this class of flaw
- Consider seriously the sensitivity of the information written into log files. Do not write secrets into the log files.
- Remove debug log files before deploying the application into production.
- Protect log files against unauthorized read/write.
More Insertion of Sensitive Information into Log File vulnerabilities (CWE-532)
Timeline
- CVE record published.
References
Other references
Recent Insertion of Sensitive Information into Log File vulnerabilities
- 7.3 High severity
- 7.5 High severity
- 8.8 High severity
- 7.0 High severity
- 7.1 High severity
- 8.8 High severity
Spotted an error? Tell us.