CVE-2026-18808 json
Unauthenticated Remote Code Execution via Code Injection in Klemsan's KIO
published 2mo ago modified 2mo ago also EUVD-2026-69130
- cvss
- 9.8
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.6%
- EPSS 0.6% chance of exploitation in 30 days, percentile 47%
- public exploits
- 0
- none known
Summary
Improper Control of Generation of Code ('Code Injection') vulnerability in Klemsan Electrical Electronics Inc. KIO (Klemsan Internet Objects) allows Code Injection.
This issue affects KIO (Klemsan Internet Objects): before v1.9.
Patch / fix
- Klemsan Electrical Electronics Inc. KIO (Klemsan Internet Objects) v1.9
Is CVE-2026-18808 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerCISA SSVC
- Exploitation
- none
- Automatable
- yes
- Technical impact
- total
- Assessed
- 2mo ago
Exploit prediction
0.56% chance of exploitation in the next 30 days, higher than 47% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Affected products
- Klemsan Electrical Electronics Inc. KIO (Klemsan Internet Objects)
Classification
- Weakness
-
- CWE-94 Improper Control of Generation of Code
References
-
siberguvenlik.gov.tr
/guvenlik-bildirimleri/detay/tr-26-0963
government-resource
Sources
- CVE List CVE-2026-18808
- NVD CVE-2026-18808
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.