CVE-2026-38447

Impact

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.

Affected packages

This record carries no package version data, so it cannot be matched against a dependency list automatically. Read the advisory and compare your version by hand.

Weakness classification

References

• NVD record
• CVE.org record
• 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