CVE-2026-109204 LogicalDOC CVE debrief

Who should care

Defenders responsible for LogicalDOC Community Edition instances, especially those with version 9.3 or earlier, should assess exposure and apply patches or mitigations as available.

Why it matters

CVE-2026-109204 is a medium-severity vulnerability in LogicalDOC Community Edition that allows attackers to reset passwords, lock out accounts, and disclose email addresses due to improper authorization in the PswRecovery servlet. Defenders should verify exposure, especially for version 9.3 or earlier, and apply patches or mitigations as available.

• Defenders must verify exposure of LogicalDOC Community Edition instances to potential password reset attacks.
• Successful exploitation could lead to unauthorized password resets, account lockouts, and email address disclosure.
• Defenders should prioritize patching or mitigating affected instances to prevent potential attacks.
• Additional monitoring may be necessary to detect suspicious activity related to password reset and account lockout.

Technical summary

The PswRecovery servlet in LogicalDOC Community Edition through 9.3 fails to bind password recovery tickets to the requesting user, allowing attackers to reset victims' passwords, lock them out, and reveal their email addresses. This vulnerability is caused by improper authorization in the servlet, which enables attackers to reuse tickets across different user accounts. Defenders should prioritize verifying exposure of LogicalDOC Community Edition instances, especially those with version 9.3 or earlier, and apply patches or mitigations as available.

Defensive priority

Defenders should prioritize verifying exposure of LogicalDOC Community Edition instances, especially those with version 9.3 or earlier, and apply patches or mitigations as available.

Recommended defensive actions

• Verify exposure of LogicalDOC Community Edition instances, especially those with version 9.3 or earlier.
• Apply patches or mitigations as available.
• Monitor for suspicious activity related to password reset and account lockout.
• 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

The CVE record and source item provide details on the vulnerability, including its description and affected versions. However, additional information on exploitation or impact is limited. Defenders should verify exposure of LogicalDOC Community Edition instances, especially those with version 9.3 or earlier. The lack of binding between password recovery tickets and the requesting user allows for potential attacks. Evidence is limited, and defenders should be cautious when assessing potential impact.

Sources and references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.