CVE-2026-28507: Idno Vulnerable to Remote Code Execution via Chained Import File Write and Template Path Traversal

CVE-2026-28507 · Severity: medium · CVSS 4 · Published 2026-03-02

Idno Vulnerable to Remote Code Execution via Chained Import File Write and Template Path Traversal

Technologies: idno/known (Packagist). Vendors: Packagist.

Quick answers

Is CVE-2026-28507 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-28507 being exploited in the wild.
How severe is CVE-2026-28507?
Medium severity, with a CVSS score of 4, published 2 March 2026.
Which products and versions are affected?
idno/known (Packagist) ECOSYSTEM:introduced=0,fixed=1.6.4.
Is there a fix for CVE-2026-28507?
Yes. idno/known (Packagist): upgrade to 1.6.4 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2026-28507?
Check whether you run idno/known (Packagist) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

  • idno/known (Packagist): upgrade to 1.6.4 or later
    composer require idno/known:^1.6.4

Affected products

  • idno/known (Packagist) ECOSYSTEM:introduced=0,fixed=1.6.4

Identifiers

  • CVE-2026-28507
  • GHSA-37j7-56xc-c468

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