VDB-412838 · CVE-2026-51879 · GCVE-0-2026-51879

HKUDS DeepTutor up to 1.4.0 TutorBotManager TutorBotManager.write_bot_file authorization

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.
6.1	$0-$5k	0.30

Summaryinfo

A vulnerability was found in HKUDS DeepTutor up to 1.4.0. It has been declared as critical. This affects the function TutorBotManager.write_bot_file of the component TutorBotManager. Such manipulation leads to authorization. This vulnerability is listed as CVE-2026-51879. The attack may be performed from remote. There is no available exploit.

Detailsinfo

A vulnerability was found in HKUDS DeepTutor up to 1.4.0. It has been rated as critical. Affected by this issue is the function TutorBotManager.write_bot_file of the component TutorBotManager. The manipulation with an unknown input leads to a authorization vulnerability. Using CWE to declare the problem leads to CWE-639. The system's authorization functionality does not prevent one user from gaining access to another user's data or record by modifying the key value identifying the data. Impacted is confidentiality, integrity, and availability. CVE summarizes:

deeptutor 1.4.0 contains an authorization bypass through a user-controlled object identifier in TutorBotManager.write_bot_file. A remote caller can enumerate bot IDs and overwrite another bot's whitelisted control files through the HTTP tutorbot file route.

The advisory is available at github.com. This vulnerability is handled as CVE-2026-51879 since 06/08/2026. The exploitation is known to be easy. The attack may be launched remotely. Technical details are known, but there is no available exploit. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 10/02/2026).

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

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Productinfo

Vendor

HKUDS

Name

DeepTutor

Version

Website

Product: https://github.com/HKUDS/DeepTutor/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.1

VulDB Base Score: 6.3
VulDB Temp Score: 6.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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

Exploitinginfo

Class: Authorization
CWE: CWE-639 / CWE-285 / CWE-266
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

06/08/2026 CVE reserved
10/01/2026 +115 days Advisory disclosed
10/01/2026 +0 days VulDB entry created
10/02/2026 +0 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: github.com
Status: Not defined

CVE: CVE-2026-51879 (🔒)
GCVE (CVE): GCVE-0-2026-51879
GCVE (VulDB): GCVE-100-412838

Entryinfo

Created: 10/02/2026 00:02
Changes: 10/02/2026 00:02 (54)
Complete: 🔍
Cache ID: 216::103