Description
C-Kermit 11.0.506 before 11.1.515 contains a RECEIVE CONFIRM bypass vulnerability that allows malicious Kermit servers to write unrequested files without prompting by abusing recursive GET root computation in ckcfns.c. Attackers can send files such as .ssh/authorized_keys or shell startup files under the current directory, which rq_under_root() accepts silently, enabling persistent access or code execution.
Published: 2026-11-13
Score: 5.9 Medium
EPSS: n/a
KEV: No
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Remediation

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History

Fri, 13 Nov 2026 16:30:00 +0000

Type Values Removed Values Added
Description C-Kermit 11.0.506 before 11.1.515 contains a RECEIVE CONFIRM bypass vulnerability that allows malicious Kermit servers to write unrequested files without prompting by abusing recursive GET root computation in ckcfns.c. Attackers can send files such as .ssh/authorized_keys or shell startup files under the current directory, which rq_under_root() accepts silently, enabling persistent access or code execution.
Title C-Kermit 11.0.506 before 11.1.515 RECEIVE CONFIRM Bypass via Recursive GET
Weaknesses CWE-863
References
Metrics cvssV3_1

{'score': 5.3, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N'}

cvssV4_0

{'score': 5.9, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N'}

Subscriptions

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-11-13T16:23:45.983Z

Reserved: 2026-11-13T16:00:59.683Z

Link: CVE-2026-129120

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-11-13T17:17:29.007

Modified: 2026-11-13T17:17:29.007

Link: CVE-2026-129120

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses