CVE-2026-49988: repomix · attach_packed_output can bypass file-read secret scanning for supported local files
Affects repomixSource GCVE Database
Not known to be exploited · CVSS 6.8 Medium : upgrade to 1.14.1 when convenient.
Data as of 9 Nov 2026, 19:48 UTC
- Patch
- Available – fixed in 1.14.1
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:NExploitation evidence
Disclosed: evidence found.
CVE published 15 Jul 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 9 Nov 2026.
What to do
Upgrade repomix to 1.14.1.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
Homebrewrepomixpkg:brew/repomixOther threats | Affected
| Fixed in
|
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
A fix is available in repomix version 1.14.1. Users should upgrade to this version or later to ensure that attach_packed_output enforces the same secret scanning and validation as the file_system_read_file tool. Until patched, restrict MCP tool-call capability to trusted users and environments to prevent unauthorized local file reads.
Description
Repomix MCP server's attach_packed_output tool can bypass secret scanning when reading local .json, .txt, .md, or .xml files. This allows reading arbitrary local files without the secret check enforced by the file_system_read_file tool. The issue affects repomix versions from 0.2.1 up to but not including 1.14.1 and is fixed in version 1.14.1.