awwaiid mcp-server-taskwarrior up to 1.0.1 index.ts server.setRequestHandler Identifier command injection
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 4.8 | $0-$5k | 2.54- |
Summary
A vulnerability has been found in awwaiid mcp-server-taskwarrior up to 1.0.1 and classified as critical. Affected is the function server.setRequestHandler of the file index.ts. Performing a manipulation of the argument Identifier results in command injection.
This vulnerability is cataloged as CVE-2026-5833. The attack must be initiated from a local position. Furthermore, there is an exploit available.
It is suggested to install a patch to address this issue.
The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product.
Details
A vulnerability was found in awwaiid mcp-server-taskwarrior up to 1.0.1. It has been classified as critical. This affects the function server.setRequestHandler of the file index.ts. The manipulation of the argument identifier with an unknown input leads to a command injection vulnerability. CWE is classifying the issue as CWE-77. The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component. This is going to have an impact on confidentiality, integrity, and availability.
The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2026-5833. The exploitability is told to be easy. An attack has to be approached locally. Technical details and a public exploit are known. MITRE ATT&CK project uses the attack technique T1202 for this issue.
The exploit is shared for download at github.com. It is declared as proof-of-concept. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product.
Applying the patch 1ee3d282debfa0a99afeb41d22c4b2fd5a3148f2 is able to eliminate this problem. The bugfix is ready for download at github.com.
The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-20841). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
Product
Type
Vendor
Name
Version
License
Website
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔒VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.3VulDB Meta Temp Score: 4.8
VulDB Base Score: 5.3
VulDB Temp Score: 4.8
VulDB Vector: 🔒
VulDB Reliability: 🔍
CVSSv2
| 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: 🔍
Exploiting
Class: Command injectionCWE: CWE-77 / CWE-74 / CWE-707
CAPEC: 🔒
ATT&CK: 🔒
Physical: Partially
Local: Yes
Remote: No
Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: PatchStatus: 🔍
0-Day Time: 🔒
Patch: 1ee3d282debfa0a99afeb41d22c4b2fd5a3148f2
Timeline
04/08/2026 Advisory disclosed04/08/2026 VulDB entry created
04/09/2026 VulDB entry last update
Sources
Product: github.comAdvisory: github.com
Status: Confirmed
Confirmation: 🔒
CVE: CVE-2026-5833 (🔒)
GCVE (CVE): GCVE-0-2026-5833
GCVE (VulDB): GCVE-100-356289
EUVD: 🔒
scip Labs: https://www.scip.ch/en/?labs.20161013
Entry
Created: 04/08/2026 19:20Updated: 04/09/2026 07:54
Changes: 04/08/2026 19:20 (62), 04/09/2026 07:54 (1)
Complete: 🔍
Submitter: Yinci Chen
Cache ID: 216:88F:103
Submit
Accepted
- Submit #789810: awwaiid mcp-server-taskwarrior <=1.0.1 Command Injection (by Yinci Chen)
Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
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