CVE-2026-102146 json
Kiteworks Email Protection Gateway Arbitrary File Write through Server-Side Template Injection
published 2026-09-30 39 d ago modified 2026-10-13 27 d ago also EUVD-2026-90382
- cvss
- 6.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.0%
- EPSS 1.0% chance of exploitation in 30 days, percentile 63%
- public exploits
- 0
- none known
Summary
An authenticated Email Protection Gateway administrator holding only limited, delegated permissions could write files with attacker-controlled content to arbitrary locations accessible to the Email Protection Gateway service account. This exceeds the administrator's intended privileges and could be used to alter application files and configuration or to disrupt the availability of the service.
Patch / fix
- Kiteworks Email Protection Gateway 9.5.1
Vendor advisories
What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
cisa vex VA-26-274-01 updated cvss 6.5
Kiteworks multiple vulnerabilities
-
Kiteworks Email Protection Gateway <9.5.1affected: vendor fix kiteworks.com
-
Kiteworks Email Protection Gateway 9.5.1fixed: vendor fix kiteworks.com
From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 39 d ago
Exploit prediction
1.01% chance of exploitation in the next 30 days, higher than 63% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H |
Affected products
- Kiteworks Email Protection Gateway
Classification
- Weakness
-
- CWE-73 External Control of File Name or Path
References
-
github.com
/kiteworks/security-advisories/security/advisories/GHSA-5pgq-v8g2-rg2f
vendor-advisory
-
raw.githubusercontent.com
/cisagov/CSAF/develop/csaf_files/VA/white/2026/va-26-274-01.json
third-party-advisory, broken-link
Sources
- CVE List CVE-2026-102146
- NVD CVE-2026-102146
Fencer Vulns 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.