CVE-2026-102483: ntpsec · Reachable Assertion
Affects ntpsecSource CVE Database V5
Not known to be exploited · CVSS 7.5 High : upgrade to 1.2.6 soon.
Data as of 26 Oct 2026, 19:38 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 1.2.6
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitation evidence
Disclosed: evidence found.
CVE published 21 Oct 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: 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 26 Oct 2026.
What to do
Upgrade ntpsec to 1.2.6.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| NTPsecntpsec | Affected
| Fixed in
|
AI-suggested
Upgrade affected NTPsec ntpd versions to 1.2.6 or later, where this vulnerability is fixed. No other mitigation is required as the issue is resolved in the official patch.
Description
CVE-2026-102483 is a reachable assertion vulnerability in NTPsec ntpd versions 1.1.4 through 1.2.5. A remote attacker can cause the daemon to terminate by sending an NTS request containing excess NTS Cookie Placeholder extension fields. This results in a denial of service condition by crashing the ntpd process.