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.
History

Mon, 03 Aug 2026 20:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-331
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Mon, 03 Aug 2026 19:45:00 +0000

Type Values Removed Values Added
First Time appeared Osticket
Osticket osticket
Vendors & Products Osticket
Osticket osticket

Mon, 03 Aug 2026 18:30:00 +0000

Type Values Removed Values Added
Description 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

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2026-08-03T19:34:16.703Z

Reserved: 2026-04-06T00:00:00.000Z

Link: CVE-2026-38447

cve-icon Vulnrichment

Updated: 2026-08-03T19:34:12.599Z

cve-icon NVD

No data.

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-03T19:30:04Z