PatchSiren cyber security CVE debrief
CVE-2026-27462 Combodo CVE debrief
Combodo iTop, a web-based IT service management tool, is affected by a user enumeration vulnerability. This issue, identified as CVE-2026-27462, exists in versions prior to 3.2.3. The vulnerability arises from the reset password mechanism, which returns different responses for valid and invalid usernames, allowing attackers to enumerate users. The CVE record was published on 2026-08-21T20:16:33.870Z and has not been modified since then. Organizations should update to version 3.2.3 or later to mitigate this vulnerability. Limited additional information is available, and defenders should review the official CVE record and NVD details for accuracy and assess their exposure.
- Vendor
- Combodo
- Product
- iTop
- CVSS
- HIGH 7.5
- CISA KEV
- Not listed in stored evidence
- Original CVE published
- 2026-08-21
- Original CVE updated
- 2026-08-21
- Advisory published
- 2026-08-21
- Advisory updated
- 2026-08-21
Who should care
Organizations using Combodo iTop should be aware of this user enumeration vulnerability and take steps to mitigate it. This includes updating to version 3.2.3 or later, reviewing and adjusting user enumeration defenses, and monitoring for potential exploitation attempts. Security teams and vulnerability management teams should prioritize this update to prevent potential exploitation.
Technical summary
Combodo iTop prior to 3.2.3 returns different responses for valid/invalid usernames in the reset password mechanism, allowing user enumeration. This issue has been fixed in version 3.2.3. To mitigate, organizations should update to the latest version and review their current configurations for potential exposure. The vulnerability is classified as user enumeration, and its exploitation could lead to unauthorized access or further attacks. Security teams should prioritize updating to version 3.2.3 to prevent potential exploitation.
Defensive priority
Organizations using Combodo iTop should prioritize updating to version 3.2.3 to mitigate user enumeration vulnerability.
Recommended defensive actions
- Update Combodo iTop to version 3.2.3 or later
- Review and adjust user enumeration defenses
- Monitor for potential exploitation attempts
- Review compensating controls for exposed systems while remediation is scheduled and verified
- Check relevant monitoring, detection, and logs for exposed assets that need extra review
- Track exceptions, retest remediated assets, and close the item only after evidence is documented
- Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up
Evidence notes
Evidence is limited; primary official records indicate a user enumeration vulnerability in Combodo iTop prior to 3.2.3. The CVE record was published on 2026-08-21T20:16:33.870Z and has not been modified since then. To verify, defenders should review the official CVE record and NVD details for accuracy and assess their exposure. Limited additional information is available.
Official resources
AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-08-21T20:16:33.870Z and has not been modified since then.