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Vulnerability record · CVE-2026-63722 · published 19 August 2026

CVE-2026-63722: Missing authentication for critical function vulnerability

ICEcoder 8.1 contains an unauthenticated remote code execution vulnerability that allows unauthenticated attackers to execute arbitrary OS commands by chaining an authentication bypass, CSRF validation bypass, and unsanitized command execution. Attackers can send a single HTTP POST request to the terminal endpoint with a password parameter to bypass authentication, a non-empty csrf parameter to skip CSRF validation, and an arbitrary command string passed directly to proc_open() to achieve remote code execution as the web-server user.

8.7 CVSS 4.0 High EPSS 1.3% · top 30.1% CWE-306 · Missing authentication for critical function Deferred
8.7CVSS 4.0 base score
1.3%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
4References
24 Sep 2026Last modified by NVD

Description

ICEcoder 8.1 contains an unauthenticated remote code execution vulnerability that allows unauthenticated attackers to execute arbitrary OS commands by chaining an authentication bypass, CSRF validation bypass, and unsanitized command execution. Attackers can send a single HTTP POST request to the terminal endpoint with a password parameter to bypass authentication, a non-empty csrf parameter to skip CSRF validation, and an arbitrary command string passed directly to proc_open() to achieve remote code execution as the web-server user.

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

References

LinkTags
https://gist.github.com/axg11/fc2b86648d8f385b51f4576ff0f392d8
https://github.com/icecoder/ICEcoder
https://www.vulncheck.com/advisories/icecoder-unauthenticated-rce-via-terminal-xhr-php
https://gist.github.com/axg11/fc2b86648d8f385b51f4576ff0f392d8

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Source: NIST National Vulnerability Database (record CVE-2026-63722), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.