Missing security headers in Action Pack on non-HTML responses (CVE-2024-28103)

Missing security headers in Action Pack on non-HTML responses (CVE-2024-28103) | HOL Guard CVE

Why this deserves its current priority

CVSS is 5.4. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps actionpack (rubygems), actionpack (rubygems), actionpack (rubygems), actionpack (rubygems). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
Package	Affected range	Fixed version
actionpackrubygems	>=6.1.0 <6.1.7.8	6.1.7.8
actionpackrubygems	>=7.0.0 <7.0.8.4	7.0.8.4
actionpackrubygems	>=7.1.0 <7.1.3.4	7.1.3.4
actionpackrubygems	>=7.2.0.beta1 <7.2.0.beta2	7.2.0.beta2

Recommended response

Check inventory. Check lockfiles and deployed manifests for actionpack, actionpack, actionpack.
Review the reported fix. Update actionpack to 6.1.7.8; actionpack to 7.0.8.4; actionpack to 7.1.3.4; actionpack to 7.2.0.beta2 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

Published upstream
Jun 4, 2024
Evidence: source:osv:source_dates:source-dates:record
Source modified
Sep 10, 2026
Evidence: source:osv:source_dates:source-dates:record
First seen by HOL
Aug 7, 2026

Sources and claim methodology

Upstream source description

# Permissions-Policy is Only Served on HTML Content-Type The application configurable Permissions-Policy is only served on responses with an HTML related Content-Type. This has been assigned the CVE identifier CVE-2024-28103. Versions Affected: >= 6.1.0 Not affected: < 6.1.0 Fixed Versions: 6.1.7.8, 7.0.8.4, and 7.1.3.4 Impact ------ Responses with a non-HTML Content-Type are not serving the configured Permissions-Policy. There are certain non-HTML Content-Types that would benefit from having the Permissions-Policy enforced. Releases -------- The fixed releases are available at the normal locations. Workarounds ----------- N/A Patches ------- To aid users who aren't able to upgrade immediately we have provided patches for the supported release series in accordance with our [maintenance policy](https://guides.rubyonrails.org/maintenance_policy.html#security-issues) regarding security issues. They are in git-am format and consist of a single changeset. * 6-1-include-permissions-policy-header-on-non-html.patch - Patch for 6.1 series * 7-0-include-permissions-policy-header-on-non-html.patch - Patch for 7.0 series * 7-1-include-permissions-policy-header-on-non-html.patch - Patch for 7.1 series Credits ------- Thank you [shinkbr](https://hackerone.com/shinkbr) for reporting this!

Quoted source text, attributed separately from HOL analysis.