CVE-2026-120203

high

ShowDoc 2.8.14 before 3.9.6 contains a code injection vulnerability in its Mock feature that allows authenticated users to execute shell commands through mockj…

ShowDoc 2.8.14 before 3.9.6 contains a code injection vulnerability in its Mock feature that allows authenticated users to execute shell commands through mockjs templates. Attackers can store a template via MockController::add with escaped parentheses that mockjs evaluates with eval(), then trigger it through MockController::infoByKey to run commands, as root in the official Docker image.

CVSS

8.8

8.8 (CVSS v3.1)

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

Severity source: NVD CVSS v3.1 (disclosure@vulncheck.com)

Timeline (UTC)

Published: 2026-10-31 18:17

Modified: 2026-11-02 19:35

NVD status: Deferred

Last synced 1 day ago

Verified against the source API 2026-11-03 07:35 UTC

Exploitation

Not listed in CISA KEV (as of last catalog sync)

Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).

Affected products

Not reported by the source (unknown — not "none").

Weakness classification (CWE)

CWE-94

Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.

Mitigation & advisories

No vendor advisory or patch reference tagged by NVD. Check the references below.

References

https://gist.github.com/LioTree/028af150fd991cf9924dd2c7d5912e54 disclosure@vulncheck.com
https://github.com/star7th/showdoc disclosure@vulncheck.com
https://github.com/star7th/showdoc/blob/v3.9.5/mock/index.js#L42 disclosure@vulncheck.com
https://github.com/star7th/showdoc/commit/5a2087a3f408f5266f61e9e2fb98845ef4788288 disclosure@vulncheck.com
https://www.vulncheck.com/advisories/showdoc-2.8.14-before-3.9.6-code-injection-via-mock-t... disclosure@vulncheck.com

Data sources

NVD CVE API 2.0 — fetched 2026-11-03 07:35 UTC · record ↗

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