CVE-2026-38447

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-38447
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-08-03 19:16:46 UTC
Updated2026-08-03 20:17:23 UTC
DescriptionosTicket 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.

Risk And Classification

Primary CVSS: v3.1 9.8 CRITICAL from ADP

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Problem Types: CWE-331 | n/a | CWE-331 CWE-331 Insufficient Entropy

VersionSourceTypeScoreSeverityVector
3.1ADPDECLARED9.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
3.1134c704f-9b21-4f2e-91b3-4a467353bcc0Secondary9.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
github.com/osTicket/osTicket/blob/v1.18.3/include/class.misc.php [email protected] github.com
github.com/osTicket/osTicket/commit/feccb6a3a90863fd31215ee738b39762177e... [email protected] github.com
github.com/osTicket/osTicket/blob/v1.18.3/include/class.api.php [email protected] github.com
github.com/fr3akhacks/cve-disclosures/blob/master/osTicket/CVE-2026-3844... [email protected] github.com
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