CVE-2026-110690: Path Traversal (CVSS 7.5)

Description

Cloud Commander (cloudcmd) versions 19.20.2 through 19.21.1 contains a path traversal vulnerability in the GET /api/v1/pack endpoint where the onGET handler at server/rest/index.js:130 calls the unguarded root() function instead of the root.resolve() validation wrapper used elsewhere. Attackers can send percent-encoded directory traversal sequences in the pack request path to read arbitrary files outside the configured --root directory, such as /etc/passwd or SSH private keys, which are archived and streamed back as a downloadable tar.gz file.

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CVSS v3.1 Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS — Exploit Prediction

0.0090

Probability of exploitation

0.59%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-23 CWE-23

References

Other References

https://gist.github.com/mansurmavlankulov/5a0c4cbab8e49ac0669d126c854da95e https://github.com/coderaiser/cloudcmd/commit/91c024591f425e26200884d5e1d5ba972377968b https://github.com/coderaiser/cloudcmd/releases/tag/v19.21.2 https://www.vulncheck.com/advisories/cloud-commander-through-path-traversal-via-get-api-v1-pack

Frequently Asked Questions

What is CVE-2026-110690? +

Cloud Commander (cloudcmd) versions 19.20.2 through 19.21.1 contains a path traversal vulnerability in the GET /api/v1/pack endpoint where the onGET handler at server/rest/index.js:130 calls the unguarded root() function instead of the root.resolve() validation wrapper used elsewhere. Attackers can send percent-encoded directory traversal sequences in the pack request path to read arbitrary files outside the configured --root directory, such as /etc/passwd or SSH private keys, which are archived and streamed back as a downloadable tar.gz file. It has a CVSS v3.1 base score of 7.5 (HIGH).

How severe is CVE-2026-110690? +

CVE-2026-110690 has a CVSS v3.1 score of 7.5 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching. The EPSS score is 0.0090, placing it in the 1th percentile for exploitation probability.

How do I check if I'm vulnerable to CVE-2026-110690? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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