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)

EPSS: 0.007 (47.5th percentile) — read the EPSS interpretation.

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.

Affected products

Idno — versions < 1.6.4
Withknown Known

Weakness classification (CWE)

CWE-78 — OS Command Injection

References

security-advisories@github.com (x_refsource_CONFIRM, Exploit, Mitigation, Vendor Advisory)
security-advisories@github.com (Product, x_refsource_MISC, 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.