Moonshot AI Kimi Code up to 2.5.2 Web UI index-HU0LCM-X.js isOriginAllowed kimi_origin redirect

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
4.1$0-$5k0.30+

Summaryinfo

A vulnerability was found in Moonshot AI Kimi Code up to 2.5.2. It has been classified as problematic. This vulnerability affects the function isOriginAllowed of the file apps/kimi-code/dist-web/assets/index-HU0LCM-X.js of the component Web UI. Performing a manipulation of the argument kimi_origin results in redirect. This vulnerability is reported as CVE-2026-126757. The attack is possible to be carried out remotely. Moreover, an exploit is present. The vendor was contacted early about this disclosure but did not respond in any way.

Detailsinfo

A vulnerability was found in Moonshot AI Kimi Code up to 2.5.2. It has been classified as problematic. This affects the function isOriginAllowed of the file apps/kimi-code/dist-web/assets/index-HU0LCM-X.js of the component Web UI. The manipulation of the argument kimi_origin with an unknown input leads to a redirect vulnerability. CWE is classifying the issue as CWE-601. The web application accepts a user-controlled input that specifies a link to an external site, and uses that link in a redirect. This is going to have an impact on integrity.

It is possible to read the advisory at mcniyfj5bw9b.feishu.cn. This vulnerability is uniquely identified as CVE-2026-126757. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. Technical details and a public exploit are known. The attack technique deployed by this issue is T1204.001 according to MITRE ATT&CK.

The exploit is shared for download at mcniyfj5bw9b.feishu.cn. It is declared as proof-of-concept. The vendor was contacted early about this disclosure but did not respond in any way.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.1

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

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

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

Exploitinginfo

Class: Redirect
CWE: CWE-601
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

11/11/2026 Advisory disclosed
11/11/2026 +0 days VulDB entry created
11/11/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: mcniyfj5bw9b.feishu.cn
Status: Confirmed

CNA: VulDB
CVE: CVE-2026-126757 (🔒)

GCVE (CVE): GCVE-0-2026-126757
GCVE (VulDB): GCVE-100-435867
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 11/11/2026 18:03
Changes: 11/11/2026 18:03 (58)
Complete: 🔍
Submitter: ShiyuFan_BinYuan
Cache ID: 216::103

Submitinfo

Accepted

  • Submit #1033259: 北京月之暗面科技股份有限公司 kimi code 0.42.0 Kimi Code 默认配置RCE 无需开启危险模式 (by ShiyuFan_BinYuan)

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Want to know what is going to be exploited?

We predict KEV entries!