CRITICAL 9.8 NVD
CVE-2026-38447
osTicket 1.18.3 generates API keys using a predictable construction based on MD5 hashing. The use of MD5, combined with predictable inputs such as the current t
osTicket 1.18.3 generates API keys using a predictable construction based on MD5 hashing. The use of MD5, combined with predictable inputs such as the current timestamp and client IP address, significantly reduces entropy. An attacker can approximate the key generation time and brute-force the key space within a feasible time window.
References
- https://github.com/fr3akhacks/cve-disclosures/blob/master/osTicket/CVE-2026-38447.md
- https://github.com/osTicket/osTicket/blob/v1.18.3/include/class.api.php#L149
- https://github.com/osTicket/osTicket/blob/v1.18.3/include/class.misc.php
- https://github.com/osTicket/osTicket/commit/feccb6a3a90863fd31215ee738b39762177e658c
This critical severity vulnerability with a CVSS score of 9.8 was published on 2026-08-03 via NVD.
Risk Timeline
CVE Disclosed2026-08-03 · 0 days ago
Remediation Resources
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