HOMEVULNERABILITIESCVE-2026-5023
MEDIUM

CVE-2026-5023

CWE-77Published: March 29, 2026· Updated: Mar 30, 2026

5.3
CVSS v3.1
EPSS:0.30%probability of exploitation in 30 daysPercentile:53.2th

Official Description

A vulnerability has been found in DeDeveloper23 codebase-mcp up to 3ec749d237dd8eabbeef48657cf917275792fde6. This vulnerability affects the function getCodebase/getRemoteCodebase/saveCodebase of the file src/tools/codebase.ts of the component RepoMix Command Handler. Such manipulation leads to os command injection. The attack needs to be performed locally. The exploit has been disclosed to the public and may be used. This product implements a rolling release for ongoing delivery, which means version information for affected or updated releases is unavailable. The project was informed of the problem early through an issue report but has not responded yet.

NVD Source

Technical Analysis

CVE-2026-5023 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorLocal
Attack ComplexityLow
Privileges Req.Low
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityLow
IntegrityLow
AvailabilityLow
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

All References (5)

→
https://github.com/DeDeveloper23/codebase-mcp/
→
https://github.com/DeDeveloper23/codebase-mcp/issues/7
→
https://vuldb.com/submit/778348
→
https://vuldb.com/vuln/353907
→
https://vuldb.com/vuln/353907/cti

Quick Facts

CVE IDCVE-2026-5023
CVSS Score5.3 / 10
SeverityMEDIUM
WeaknessCWE-77
CISA KEVNo
EPSS (30d)0.30%
PublishedMar 29, 2026

Related CVEs (CWE-77)

CVE-2025-15379
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CVE-2026-26068
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CVE-2026-20186
9.9
CVE-2026-20147
9.9
CVE-2026-45663
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CVE-2026-52806
KEV9.9

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2026-5023 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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