CVE-2026-102139
Last modified
CVE-2026-102139 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. An authorization check in the large file exchange feature of Kiteworks Email Protection Gateway did not correctly establish that the requesting user was a party to the package being requested. An authenticated user of that optional feature could read the subject, message body, and attachments of packages they neither sent nor received..
Description
An authorization check in the large file exchange feature of Kiteworks Email Protection Gateway did not correctly establish that the requesting user was a party to the package being requested. An authenticated user of that optional feature could read the subject, message body, and attachments of packages they neither sent nor received.
Metrics
Weakness Enumeration
Affected Software
Source: CNA advisory (CVE.org). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| Kiteworks | Email Protection Gateway | < 9.5.1 |
References
Timeline
- Published
- Last Modified
- Status
- Awaiting Analysis
Frequently Asked Questions
What is CVE-2026-102139?
How severe is CVE-2026-102139?
How do I fix CVE-2026-102139?
How Strix Helps
- Uncovering a hidden BOLA in Appsmith's snapshot logicStrix autonomously discovered a BOLA/IDOR vulnerability in Appsmith's snapshot deletion path.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2026
- CVE-2026-102133An optional, separately licensed repository-connector featur…6.6
- CVE-2026-102134Kiteworks Core did not apply its gateway-level API security …5.4
- CVE-2026-102135On a Kiteworks Email Protection Gateway cluster with databas…6.6
- CVE-2026-102136In multi-node deployments, an attacker who had already obtai…6.3
- CVE-2026-102137An authenticated administrator could bypass the content vali…4.1
- CVE-2026-102138An authenticated administrator on a node with an optional, s…3.3
- CVE-2026-10214A weakness has been identified in zhayujie chatgpt-on-wechat…7.3
- CVE-2026-102140An authenticated administrator could initiate an administrat…4.9
- CVE-2026-102141Two Kiteworks Core cluster-management operations did not val…6.7
- CVE-2026-102142A system notification template on the Kiteworks appliance wa…7.2
- CVE-2026-102143An unauthenticated attacker could cause a file with attacker…7.5
- CVE-2026-102144A resource exhaustion vulnerability in Kiteworks Email Prote…5.3
Are you affected by CVE-2026-102139?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST