Rails is a web-application framework. Starting with version 5.2.0, there is a possible sensitive session information leak in Active Storage. By default, Active Storage sends a Set-Cookie header along with the user's session cookie when serving blobs. It also sets Cache-Control to public. Certain proxies may cache the Set-Cookie, leading to an information leak. The vulnerability is fixed in 7.0.8.1 and 6.1.7.7.
CVE-2024-26144
This medium-severity CVE scores 5.3 under NVD CVSS v3. EPSS exploit probability: 4.3%, top 11% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).
- Lower severity and no public exploit yet
A fix is available — apply it.
- CVSS v3
- 5.3
- EG Score
- 5.3(medium)
- EG Risk
- —
- EPSS
- 62.7%
- KEV
- Not listed
Published
February 27, 2024
Last Modified
February 14, 2025
References (12)
- security-advisories@githubhttps://discuss.rubyonrails.org/t/possible-sensitive-session-information-leak-in-active-storage/84945
- security-advisories@githubhttps://github.com/rails/rails/commit/723f54566023e91060a67b03353e7c03e7436433
- security-advisories@githubhttps://github.com/rails/rails/commit/78fe149509fac5b05e54187aaaef216fbb5fd0d3
- security-advisories@githubhttps://github.com/rails/rails/security/advisories/GHSA-8h22-8cf7-hq6g
- security-advisories@githubhttps://github.com/rubysec/ruby-advisory-db/blob/master/gems/activestorage/CVE-2024-26144.yml
- security-advisories@githubhttps://security.netapp.com/advisory/ntap-20240510-0013/
- af854a3a-2127-422b-91ae-364da2661108https://discuss.rubyonrails.org/t/possible-sensitive-session-information-leak-in-active-storage/84945
- af854a3a-2127-422b-91ae-364da2661108https://github.com/rails/rails/commit/723f54566023e91060a67b03353e7c03e7436433
- af854a3a-2127-422b-91ae-364da2661108https://github.com/rails/rails/commit/78fe149509fac5b05e54187aaaef216fbb5fd0d3
- af854a3a-2127-422b-91ae-364da2661108https://github.com/rails/rails/security/advisories/GHSA-8h22-8cf7-hq6g
- af854a3a-2127-422b-91ae-364da2661108https://github.com/rubysec/ruby-advisory-db/blob/master/gems/activestorage/CVE-2024-26144.yml
- af854a3a-2127-422b-91ae-364da2661108https://security.netapp.com/advisory/ntap-20240510-0013/
Vendor Advisories for CVE-2024-26144(1)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
Patch Availability(1)
| Vendor / Ecosystem | Fixed in / Patch | Released | Source |
|---|---|---|---|
| redhat | rubygem-activestorage-0:6.1.7.7-1.el8sat | 2024-12-04 | redhat |
Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.
Affected Packages
(1 across 1 ecosystem)
RubyGems(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| activestorage | 7.0.0 ... 7.0.8 (20 versions) | 7.0.8.1 | — |
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 10× in last 7d / 47× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
Showing the most recent 100 of 105 total refreshes for this CVE.
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Frequently asked(5)
What is CVE-2024-26144?
When was CVE-2024-26144 disclosed?
Is CVE-2024-26144 actively exploited?
What is the CVSS score of CVE-2024-26144?
How do I remediate CVE-2024-26144?
Dependency Blast Radius
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