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CVE-2026-66066 Action Pack: Possible arbitrary file read and remote code execution in Active Storage variant processing

🗓️ 30 Jul 2026 18:32:11Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 8 Views

Untrusted uploads may enable unsafe libvips in Active Storage, causing file reads and execution.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
githubexploit
GithubExploit
Exploit for CVE-2026-66066
29 Jul 202621:08
githubexploit
githubexploit
GithubExploit
Exploit for CVE-2026-66066
29 Jul 202620:45
githubexploit
githubexploit
GithubExploit
Exploit for CVE-2026-66066
29 Jul 202616:10
githubexploit
attackerkb
ATTACKERKB
CVE-2026-66066
30 Jul 202618:32
attackerkb
circl
Circl
CVE-2026-66066
29 Jul 202616:02
circl
cve
CVE
CVE-2026-66066
30 Jul 202618:32
cve
debiancve
Debian CVE
CVE-2026-66066
30 Jul 202618:32
debiancve
euvd
EUVD
EUVD-2026-51270
30 Jul 202618:32
euvd
github
Github Security Blog
Active Storage has possible arbitrary file read and remote code execution in Active Storage variant processing
30 Jul 202618:23
github
nvd
NVD
CVE-2026-66066
30 Jul 202619:18
nvd
Rows per page
[
  {
    "vendor": "rails",
    "product": "rails",
    "versions": [
      {
        "version": "< 7.2.3.2",
        "status": "affected"
      },
      {
        "version": ">= 8.0.0.beta1, < 8.0.5.1",
        "status": "affected"
      },
      {
        "version": ">= 8.1.0.beta1, < 8.1.3.1",
        "status": "affected"
      }
    ]
  }
]

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