kiteworks up to 9.1.x Configuration dns rebinding

CVSS Meta Temp Score
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CTI Interest Score
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5.7$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic has been found in kiteworks up to 9.1.x. Impacted is an unknown function of the component Configuration Handler. The manipulation leads to dns rebinding. This vulnerability is documented as CVE-2026-28271. The attack can be initiated remotely. There is not any exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in kiteworks up to 9.1.x. This issue affects some unknown processing of the component Configuration Handler. The manipulation with an unknown input leads to a dns rebinding vulnerability. Using CWE to declare the problem leads to CWE-350. The product performs reverse DNS resolution on an IP address to obtain the hostname and make a security decision, but it does not properly ensure that the IP address is truly associated with the hostname. Impacted is integrity. The summary by CVE is:

Kiteworks is a private data network (PDN). Prior to version 9.2.0, a vulnerability in Kiteworks configuration functionality allows bypassing of SSRF protections through DNS rebinding attacks. Malicious administrators could exploit this to access internal services that should be restricted. Version 9.2.0 contains a patch for the issue.

The advisory is shared at github.com. The identification of this vulnerability is CVE-2026-28271 since 02/26/2026. The exploitation is known to be easy. The attack may be initiated remotely. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1583.002 for this issue.

Upgrading to version 9.2.0 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-9066). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.8
VulDB Meta Temp Score: 5.7

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔒

CNA Base Score: 6.5
CNA Vector (GitHub_M): 🔒

CVSSv2info

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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Dns rebinding
CWE: CWE-350
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: kiteworks 9.2.0

Timelineinfo

02/26/2026 CVE reserved
02/27/2026 +1 days Advisory disclosed
02/27/2026 +0 days VulDB entry created
03/05/2026 +6 days VulDB entry last update

Sourcesinfo

Advisory: github.com
Status: Confirmed

CVE: CVE-2026-28271 (🔒)
GCVE (CVE): GCVE-0-2026-28271
GCVE (VulDB): GCVE-100-348221
EUVD: 🔒

Entryinfo

Created: 02/27/2026 22:21
Updated: 03/05/2026 20:12
Changes: 02/27/2026 22:21 (62), 03/01/2026 00:15 (1), 03/04/2026 21:26 (11), 03/05/2026 20:12 (1)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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