CordysCRM vulnerability

CordysCRM through 1.9.3 contains an authorization bypass vulnerability that allows low-privileged authenticated users to skip permission checks by setting the owner field to their own user id. Attackers can send requests to the follow/record/add endpoints to add follow-up records and overwrite follow_time and follower on any known customer, clue or opportunity.

Published 11 Oct 2026Updated 11 Oct 20266 sources
CVSS 5.3

What happened

CordysCRM through 1.9.3 contains an authorization bypass vulnerability that allows low-privileged authenticated users to skip permission checks by setting the owner field to their own user id. Attackers can send requests to the follow/record/add endpoints to add follow-up records and overwrite follow_time and follower on any known customer, clue or opportunity.

Affected versions

CordysCRM: 0 through 1.9.3 (custom) Fixed: See vendor advisory.

Why it matters

Review the vendor advisory and exposure of the affected product to determine operational impact.

Detection & mitigation

  • Apply vendor-provided updates or mitigations.
  • Review affected product exposure and access logs.

Public PoC references

No public PoC reference has passed the current publication threshold.