PT-2026-28737 · Unknown · Repomix Command Handler

Yinci Chen · Published 2026-03-29 · Updated 2026-03-29 · CVE-2026-5023

Positive Technologies (AI Summary)

CVSS v3.1

5.3

Medium

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

Name of the Vulnerable Software and Affected Versions DeDeveloper23 codebase-mcp up to 3ec749d237dd8eabbeef48657cf917275792fde6

Description A flaw exists in the getCodebase/getRemoteCodebase/saveCodebase functions within the src/tools/codebase.ts file of the RepoMix Command Handler component. This issue allows for operating system command injection. The attack requires local access. The exploit is publicly available. The product utilizes a rolling release model, making specific version information for updates unavailable.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Command Injection

OS Command Injection

Weakness Enumeration

CWE-77

CWE-78

Related Identifiers

CVE-2026-5023

Affected Products

Repomix Command Handler

References · 9

• 🔥 https://github.com/DeDeveloper23/codebase-mcp/issues/7 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2026-5023 · Security Note
• https://twitter.com/cyberbivash/status/2038088822458638736 · Twitter Post
• https://vuldb.com/vuln/353907 · Note
• https://github.com/DeDeveloper23/codebase-mcp · Note
• https://twitter.com/CVEnew/status/2038135150937350457 · Twitter Post
• https://vuldb.com/vuln/353907/cti · Note
• https://twitter.com/CVEarity/status/2038269273463017565 · Twitter Post
• https://vuldb.com/submit/778348 · Note