Kiteworks Secure Data Forms is vulnerable to Authorization Bypass Through User-Controlled Key

published 2026-06-01 5 mo ago modified 2026-07-22 3 mo ago also EUVD-2026-33838

cvss: 5.4; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.1%; EPSS 0.1% chance of exploitation in 30 days, percentile 3%
public exploits: 0; none known

Kiteworks is a private data network (PDN). Prior to version 9.3.0, an Insecure Direct Object Reference (IDOR) vulnerability in Kiteworks Secure Data Forms allows an authenticated user to modify permissions on resources belonging to other users due to insufficient authorization checks on resource ownership. Upgrade Kiteworks to version 9.3.0 or later to receive a patch.

Patch / fix

fixed in 1

accellion kiteworks 9.3.0

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 5 mo ago (2026-06-02)

Exploit prediction

0.14% chance of exploitation in the next 30 days, higher than 3% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	5.4	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

Affected products

kiteworks Secure Data Forms

Classification

Weakness

CWE-639 Authorization Bypass Through User-Controlled Key

References

github.com /kiteworks/security-advisories/security/advisories/GHSA-f8rf-7jq6-gch9
vendor-advisory

Sources

CVE List CVE-2026-24755
NVD CVE-2026-24755

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.

CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.

Summary