CVE-2022-39240 — MyGraph is a permission management system

MyGraph is a permission management system. Versions prior to 1.0.4 are vulnerable to a storage XSS vulnerability leading to Remote Code Execution. This issue is patched in version 1.0.4. There is no known workaround.

01What is this vulnerability?

MyGraph is a permission management system. Versions prior to 1.0.4 are vulnerable to a storage XSS vulnerability leading to Remote Code Execution. This issue is patched in version 1.0.4. There is no known workaround.

02Affected products

Vendor	Product	Versions
renlm	MyGraph	< 1.0.4

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2022-09-24T01:40:08.000Z
• Last modified: 2025-04-25T16:04:00.463Z

09References

• github.com — https://github.com/renlm/MyGraph/security/advisories/GHSA-hj4j-923h-927j