CVE-2026-18650: HAVELSAN Liman MYS · Missing Authorization
Affects HAVELSAN Liman MYSSource CVE Database V5
Not known to be exploited · CVSS 8.8 High : upgrade to 2.3.1 soon.
Data as of 3 Nov 2026, 22:58 UTC
- EPSS
- 0.4% chance of exploitation in 30 days – higher than 36% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in 2.3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitation evidence
Disclosed: evidence found.
CVE published 4 Aug 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 3 Nov 2026.
What to do
Upgrade HAVELSAN Liman MYS to 2.3.1.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| HAVELSAN Inc.Liman MYS | Affected
| Fixed in
|
AI-suggested
If you cannot patch yet, restrict access to Liman MYS instances to trusted users only and monitor for suspicious privilege escalation attempts.
Description
CVE-2026-18650 is a Missing Authorization vulnerability in HAVELSAN Inc. Liman MYS that allows privilege escalation. It affects version 2.2.3 and versions before 2.3.1. The vulnerability has a high severity score of 8.8 CVSS v3.1, indicating it can lead to high impact on confidentiality, integrity, and availability. There are no known exploits in the wild at this time.