How severe is CVE-2026-109158?

CVE-2026-109158 has a CVSS score of 7.5/10, rated HIGH. Immediate patching is strongly recommended.

Which products are affected by CVE-2026-109158?

CVE-2026-109158 affects the following products: ibm app connect enterprise certified containers operands, ibm app connect operator.

How do I patch CVE-2026-109158?

The records we use list no fixed version for CVE-2026-109158. Check the ibm app connect enterprise certified containers operands advisory for a patched release, and apply the workarounds below until you can upgrade.

How do I detect CVE-2026-109158 across my infrastructure?

Inventory every ibm app connect enterprise certified containers operands deployment and check each version against the affected-products list above.

How do I mitigate CVE-2026-109158 if there is no patch (or I can't update yet)?

If you can't upgrade right away: gate or disable the affected feature, validate untrusted input at the boundary, and avoid passing attacker-controlled data into the vulnerable path. O3's runtime protection blocks exploitation in production as an interim safeguard until the upgrade lands. Alongside that, restrict the management interface to trusted networks and apply the vendor's recommended configuration mitigations.

Is CVE-2026-109158 actively exploited in the wild?

No public exploit code has been indexed for CVE-2026-109158 yet. This does not mean the vulnerability cannot be exploited — absence of public exploits does not imply safety. Apply the recommended fix and use O3 Security to monitor your exposure.

What is the EPSS score for CVE-2026-109158?

CVE-2026-109158 has an EPSS (Exploit Prediction Scoring System) score of 0.4%, placing it in the 33th percentile of all CVEs. EPSS is maintained by FIRST.org and estimates the probability that a vulnerability will be exploited in the wild within the next 30 days. This score indicates relatively lower exploitation probability, though the CVSS severity should still guide your patching priority.

What type of vulnerability is CVE-2026-109158?

CVE-2026-109158 is classified as Insertion of Sensitive Information into Log File (CWE-532). This weakness type describe the underlying flaw category, which helps determine the potential impact and the right class of mitigation.

Which products and versions are affected by CVE-2026-109158?

CVE-2026-109158 affects ibm app connect enterprise certified containers operands (1 version, e.g. cd); ibm app connect operator (3 versions, e.g. 12.0.0, 12.1.0, 13.0.0). Check the affected-products list on this page against your deployed version to confirm exposure.

When was CVE-2026-109158 published, and has it been updated?

CVE-2026-109158 was published on November 13, 2026 and was last updated on November 13, 2026. Advisory data evolves as severity scores, affected ranges, and exploit intelligence are revised — always check the latest version of the advisory before acting.

🛡️

Not in CISA KEV

HIGH severity

CVE-2026-109158 — Ibm App Connect Enterprise Certified Containers Operands

HIGH

CVE-2026-109158 is a high-severity (CVSS 7.5) Insertion of Sensitive Information into Log File vulnerability in ibm app connect enterprise certified containers operands. The records list no fixed version yet; check the vendor advisory below and apply the mitigations in the meantime.

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.

Published

Nov 13, 2026

Updated

Nov 13, 2026

Affected

2 products

Patched

See advisory

Exploits

None indexed

Exploitation data as of Nov 14, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

EPSS Exploitation Probability

via FIRST.org ↗

0.4%probability of exploitation in next 30 days

Lower Risk0.00%

Lower risk than most CVEs33th percentile — riskier than 33% of all scored CVEsHighest risk

Probability of exploitation in the next 30 days, from FIRST.org EPSS.

How urgent is this, really

Where this sits among everything scored

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.

Affected Products

2 products · 7 configurations

Application

app connect enterprise certified containers operandsibm

1 version

Application

app connect operatoribm

3 versions

12.0.012.1.013.0.0

Detection & mitigation playbook

Vendor / appliance

Detect
Inventory every ibm app connect enterprise certified containers operands deployment and check each version against the affected-products list above.
Remediation status
The records we use list no fixed version for CVE-2026-109158. Check the ibm app connect enterprise certified containers operands advisory for a patched release, and apply the workarounds below until you can upgrade.
Mitigate without a patch
If you can't upgrade right away: gate or disable the affected feature, validate untrusted input at the boundary, and avoid passing attacker-controlled data into the vulnerable path. O3's runtime protection blocks exploitation in production as an interim safeguard until the upgrade lands. Alongside that, restrict the management interface to trusted networks and apply the vendor's recommended configuration mitigations.

Frequently Asked Questions

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.

O3 Security · Runtime Protection

Is CVE-2026-109158 being exploited in your environment?

Detect and block the exploit chain at execution, on systems you cannot patch yet.

Protect my workloads How runtime protection works

CVSS Score

7.5/10CVSS v3 base

Vector breakdown

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Raw vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

CWE Classification

CWE-532Insertion of Sensitive Information into Log File

Weaponization

No Nuclei template, Metasploit module or public proof-of-concept found.

Timeline

Disclosed

Nov 13, 2026

Identifiers

CVE-2026-109158

References

Fixibm.com

Related vulnerabilities

This CVE is high severity; 3 of 8 other CVEs with CWE-532 are rated as high or higher (top: high).

CVE-2026-128080CVE-2026-120792CVE-2026-123372CVE-2026-123796CVE-2026-102289CVE-2026-63417CVE-2026-115885CVE-2026-116691Browse all CWE-532

Provenance

Sources

OSV.devNVDFIRST.org (EPSS)

Last verifiedNov 13, 2026

CVE-2026-109158 — Ibm App Connect Enterprise Certified Containers Operands

EPSS Exploitation Probability

How urgent is this, really

Where this sits among everything scored

Description

Affected Products

Detection & mitigation playbook

Detect

Remediation status

Mitigate without a patch

Frequently Asked Questions

Is CVE-2026-109158 being exploited in your environment?