CVE-2026-129121
C-Kermit 8.0.200 before 11.1.515 Path Traversal via FTP MGET /RECURSIVE
CVSS Score
6.5
EPSS Score
0.0%
EPSS Percentile
0th
C-Kermit 8.0.200 before 11.1.515 contains a path traversal vulnerability in doftpget() in ckcftp.c that allows malicious FTP servers to write files outside the intended directory. Attackers can return absolute paths, tilde names, or dot-dot components in NLST or MLSD listings during MGET /RECURSIVE to overwrite files like .bashrc, leading to code execution.
| CWE | CWE-22 |
| Vendor | openkermit |
| Product | c-kermit |
| Published | Nov 13, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
None
Affected Versions
OpenKermit / C-Kermit
8.0.200 < 11.1.515
References
github.com: https://github.com/OpenKermit/ckermit/security/advisories/GHSA-vhrv-7jrq-95qj github.com: https://github.com/OpenKermit/ckermit/commit/9b1809b2ce2bcec08b7285deb1b7f0bcbef6a052 github.com: https://github.com/OpenKermit/ckermit/releases/tag/v11.1.515 github.com: https://github.com/OpenKermit/ckermit/blob/v11.0.514/ckcftp.c#L7668 vulncheck.com: https://www.vulncheck.com/advisories/c-kermit-8.0.200-before-11.1.515-path-traversal-via-ftp-mget-recursive
Credits
John Goerzen John Goerzen