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CVE-2026-33202

Active Storage allows users to attach cloud and local files in Rails applications. Prior to versions 8.1.2.1, 8.0.4.1, and 7.2.3.1, Active Storage's `DiskService#delete_prefixed` passes blob keys directly to `Dir.glob` without escaping glob metacharacters. If a blob key contains attacker-controlled input or custom-generated keys with glob metacharacters, it may be possible to delete unintended files from the storage directory. Versions 8.1.2.1, 8.0.4.1, and 7.2.3.1 contain a patch.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:4100751ae96ddcc7872be43617e156f7fd19c70648ce0d70bab6b0c3c4533d6e
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"product":"activestorage","vendor":"rails","versions":[{"status":"affected","version":">= 8.1.0.beta1, < 8.1.2.1"},{"status":"affected","version":">= 8.0.0.beta1, < 8.0.4.1"},{"status":"affected","version":"< 7.2.3.1"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:684b87791e7b810d4f9eb351315dd028ce0ad24c605062e7b17013806e77edcb · sha256:195a8518937a6135… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":6.6,"baseSeverity":"MEDIUM","privilegesRequired":"NONE","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"HIGH"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:684b87791e7b810d4f9eb351315dd028ce0ad24c605062e7b17013806e77edcb · sha256:195a8518937a6135… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

1 source assertion
{"cweId":"CWE-74","description":"CWE-74: Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:684b87791e7b810d4f9eb351315dd028ce0ad24c605062e7b17013806e77edcb · sha256:195a8518937a6135… · /containers/cna/problemTypes/0/descriptions/0

Source references

7 source assertions
{"name":"https://github.com/rails/rails/commit/8c9676b803820110548cdb7523800db43bc6874c","tags":["x_refsource_MISC"],"url":"https://github.com/rails/rails/commit/8c9676b803820110548cdb7523800db43bc6874c"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:684b87791e7b810d4f9eb351315dd028ce0ad24c605062e7b17013806e77edcb · sha256:195a8518937a6135… · /containers/cna/references/1
{"name":"https://github.com/rails/rails/commit/955284d26e469a9c026a4eee5b21f0414ab0bccf","tags":["x_refsource_MISC"],"url":"https://github.com/rails/rails/commit/955284d26e469a9c026a4eee5b21f0414ab0bccf"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:684b87791e7b810d4f9eb351315dd028ce0ad24c605062e7b17013806e77edcb · sha256:195a8518937a6135… · /containers/cna/references/2
{"name":"https://github.com/rails/rails/commit/fa19073546360856e9f4dab221fc2c5d73a45e82","tags":["x_refsource_MISC"],"url":"https://github.com/rails/rails/commit/fa19073546360856e9f4dab221fc2c5d73a45e82"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:684b87791e7b810d4f9eb351315dd028ce0ad24c605062e7b17013806e77edcb · sha256:195a8518937a6135… · /containers/cna/references/3
{"name":"https://github.com/rails/rails/releases/tag/v7.2.3.1","tags":["x_refsource_MISC"],"url":"https://github.com/rails/rails/releases/tag/v7.2.3.1"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:684b87791e7b810d4f9eb351315dd028ce0ad24c605062e7b17013806e77edcb · sha256:195a8518937a6135… · /containers/cna/references/4
{"name":"https://github.com/rails/rails/releases/tag/v8.0.4.1","tags":["x_refsource_MISC"],"url":"https://github.com/rails/rails/releases/tag/v8.0.4.1"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:684b87791e7b810d4f9eb351315dd028ce0ad24c605062e7b17013806e77edcb · sha256:195a8518937a6135… · /containers/cna/references/5
{"name":"https://github.com/rails/rails/releases/tag/v8.1.2.1","tags":["x_refsource_MISC"],"url":"https://github.com/rails/rails/releases/tag/v8.1.2.1"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:684b87791e7b810d4f9eb351315dd028ce0ad24c605062e7b17013806e77edcb · sha256:195a8518937a6135… · /containers/cna/references/6
{"name":"https://github.com/rails/rails/security/advisories/GHSA-73f9-jhhh-hr5m","tags":["x_refsource_CONFIRM"],"url":"https://github.com/rails/rails/security/advisories/GHSA-73f9-jhhh-hr5m"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:684b87791e7b810d4f9eb351315dd028ce0ad24c605062e7b17013806e77edcb · sha256:195a8518937a6135… · /containers/cna/references/0

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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