CVE-2026-5833

MEDIUMNVD 5.35.3—
EchelonGraph scoreMEDIUM confidence

Score 5.3 from GitHub Security Advisory (severity: LOW) published 2026-04-09. NVD baseline CVSS 5.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Trending — 4 sources updated this weekElevated
5.3EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 5.3Exploit: Elevated riskExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

A security vulnerability has been detected in awwaiid mcp-server-taskwarrior up to 1.0.1. This impacts the function server.setRequestHandler of the file index.ts. Such manipulation of the argument Identifier leads to command injection. The attack must be carried out locally. The exploit has been disclosed publicly and may be used. The name of the patch is 1ee3d282debfa0a99afeb41d22c4b2fd5a3148f2. Applying a patch is advised to resolve this issue. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product.

CVSS v3
5.3
EG Score
5.3(medium)
EG Risk
40(Track)
EG Risk 40/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity53% × 45%
Exploitation40% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
1%
EPSS %ILE
47%
KEV
Not listed

Published

April 9, 2026

Last Modified

July 24, 2026

Advisory Details (5)

Auto-updated Jul 24, 2026
Upstream fix merged — awaiting tagged release. Sources: github_commit.
generic
https://github.com/user-attachments/files/25923228/mcp-server-taskwarrior_bug.pdf
generic

Bug: Command Injection in multiple mcp-server-taskwarrior tools due to unsafe use of child_process.execSync · Issue #8 · awwaiid/mcp-server-taskwarrior · GitHub

https://github.com/awwaiid/mcp-server-taskwarrior/issues/8#issuecomment-4139402095
generic

Bug: Command Injection in multiple mcp-server-taskwarrior tools due to unsafe use of child_process.execSync · Issue #8 · awwaiid/mcp-server-taskwarrior · GitHub

https://github.com/awwaiid/mcp-server-taskwarrior/issues/8
github_commit

commit 1ee3d282debf (awwaiid/mcp-server-taskwarrior)

Fix landed in awwaiid/mcp-server-taskwarrior commit 1ee3d282debf — awaiting tagged release

https://github.com/awwaiid/mcp-server-taskwarrior/commit/1ee3d282debfa0a99afeb41d22c4b2fd5a3148f2
generic

GitHub - awwaiid/mcp-server-taskwarrior: MCP Server for TaskWarrior! · GitHub

https://github.com/awwaiid/mcp-server-taskwarrior/

Patch Availability(1)

Vendor / EcosystemFixed in / PatchReleasedSource
npmmcp-server-taskwarrior—ghsa

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Affected Packages

(1 across 1 ecosystem)
npm(1)
PackageVulnerable rangeFixed inDependents
mcp-server-taskwarrior———

Weakness Classification(2)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 17× in last 7d / 49× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 109 total refreshes for this CVE.

  1. 2026-07-26 14:54 UTCEPSS rescore
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  3. 2026-07-26 08:37 UTCEG score recompute
  4. 2026-07-26 08:37 UTCGHSA enrichment
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  9. 2026-07-24 08:11 UTCNVD updateCVSS v4 → 1.9
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Frequently asked(5)

What is CVE-2026-5833?
CVE-2026-5833 is a medium vulnerability published on April 9, 2026. A security vulnerability has been detected in awwaiid mcp-server-taskwarrior up to 1.0.1. This impacts the function server.setRequestHandler of the file index.ts. Such manipulation of the argument Identifier leads to command injection. The attack must be carried out locally. The exploit has been…
When was CVE-2026-5833 disclosed?
CVE-2026-5833 was first published in the National Vulnerability Database on April 9, 2026, with the most recent update on July 24, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-5833 actively exploited?
CVE-2026-5833 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1% probability of exploitation in the next 30 days, which ranks it in the top 52.7% of all scored CVEs.
What is the CVSS score of CVE-2026-5833?
CVE-2026-5833 has a CVSS v3 base score of 5.3 (NVD).
How do I remediate CVE-2026-5833?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-5833, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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