What is CVE-2026-28507?

CVE-2026-28507 is a high-severity vulnerability in Idno, classified under OS Command Injection. CVSS score: 7.2/10. Published 2026-03-06.

How severe is CVE-2026-28507?

High severity. CVSS v3 base score is 7.2 out of 10.

RCE in Idno

CVE-2026-28507

Idno is a social publishing platform. Prior to version 1.6.4, there is a remote code execution vulnerability via chained import file write and template path traversal. This issue has been patched in version 1.6.4.

Vulnerability class: Command Injection (OS Command Injection)

Published 2026-03-06 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.009 (58.9th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 59th percentile — 58.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.009 · change: +0.002

Affected products

Idno — versions < 1.6.4
Withknown Known

Weakness classification (CWE)

CWE-78 — OS Command Injection

References

github.com/idno/idno/security/advisories/GHSA-37j7-56xc-c468 (Exploit, Mitigation, Vendor Advisory)
github.com/idno/idno/releases/tag/1.6.4 (Product, Release Notes)

Frequently asked questions

What is CVE-2026-28507?: CVE-2026-28507 is a high-severity vulnerability in Idno, classified under OS Command Injection. CVSS score: 7.2/10. Published 2026-03-06.
How severe is CVE-2026-28507?: High severity. CVSS v3 base score is 7.2 out of 10.