CVE-2026-38447
CVSS Score
9.8
EPSS Score
0.0%
EPSS Percentile
0th
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.
| Vendor | n/a |
| Product | n/a |
| Published | Aug 3, 2026 |
| Last Updated | Aug 3, 2026 |
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Affected Versions
n/a / n/a
n/a
References
github.com: https://github.com/osTicket/osTicket/blob/v1.18.3/include/class.api.php#L149 github.com: https://github.com/osTicket/osTicket/blob/v1.18.3/include/class.misc.php github.com: https://github.com/osTicket/osTicket/commit/feccb6a3a90863fd31215ee738b39762177e658c github.com: https://github.com/fr3akhacks/cve-disclosures/blob/master/osTicket/CVE-2026-38447.md