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CVE-2026-53653

Grav is a file-based Web platform. Prior to 1.7.53 and 2.0.0-rc.8, Grav allows an unauthenticated visitor to exhaust server memory and CPU by requesting image derivatives with oversized dimensions through URL query image actions such as forceResize in Grav::fallbackUrl, which passes request parameters to ImageMedium magic actions without a dimension or pixel ceiling. This issue is fixed in versions 1.7.53 and 2.0.0-rc.8.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:5c82e837f9ff21eb768eb92b2ddc46b8c27d6d4db1352c931f4cf4b989247336
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"product":"grav","vendor":"getgrav","versions":[{"status":"affected","version":">= 2.0.0-beta.1, < 2.0.0-rc.8"},{"status":"affected","version":"< 1.7.53"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:e390e3ccba1a70a6d519381935d1e2611175d684d4fc08d2cfce7f0b891c09e9 · sha256:d84b9206a07ef48d… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":8.7,"baseSeverity":"HIGH","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:N/VA:H/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:e390e3ccba1a70a6d519381935d1e2611175d684d4fc08d2cfce7f0b891c09e9 · sha256:d84b9206a07ef48d… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

1 source assertion
{"cweId":"CWE-770","description":"CWE-770: Allocation of Resources Without Limits or Throttling","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:e390e3ccba1a70a6d519381935d1e2611175d684d4fc08d2cfce7f0b891c09e9 · sha256:d84b9206a07ef48d… · /containers/cna/problemTypes/0/descriptions/0

Source references

5 source assertions
{"name":"https://github.com/getgrav/grav/commit/d9f9f0369a07ae5c96cde700c7949e1237b29cf6","tags":["x_refsource_MISC"],"url":"https://github.com/getgrav/grav/commit/d9f9f0369a07ae5c96cde700c7949e1237b29cf6"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:e390e3ccba1a70a6d519381935d1e2611175d684d4fc08d2cfce7f0b891c09e9 · sha256:d84b9206a07ef48d… · /containers/cna/references/1
{"name":"https://github.com/getgrav/grav/commit/f4c0f42eea755cedad6f626b342c88d4cba72174","tags":["x_refsource_MISC"],"url":"https://github.com/getgrav/grav/commit/f4c0f42eea755cedad6f626b342c88d4cba72174"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:e390e3ccba1a70a6d519381935d1e2611175d684d4fc08d2cfce7f0b891c09e9 · sha256:d84b9206a07ef48d… · /containers/cna/references/2
{"name":"https://github.com/getgrav/grav/releases/tag/1.7.53","tags":["x_refsource_MISC"],"url":"https://github.com/getgrav/grav/releases/tag/1.7.53"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:e390e3ccba1a70a6d519381935d1e2611175d684d4fc08d2cfce7f0b891c09e9 · sha256:d84b9206a07ef48d… · /containers/cna/references/3
{"name":"https://github.com/getgrav/grav/releases/tag/2.0.0-rc.8","tags":["x_refsource_MISC"],"url":"https://github.com/getgrav/grav/releases/tag/2.0.0-rc.8"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:e390e3ccba1a70a6d519381935d1e2611175d684d4fc08d2cfce7f0b891c09e9 · sha256:d84b9206a07ef48d… · /containers/cna/references/4
{"name":"https://github.com/getgrav/grav/security/advisories/GHSA-4x9g-vw65-vvf9","tags":["x_refsource_CONFIRM"],"url":"https://github.com/getgrav/grav/security/advisories/GHSA-4x9g-vw65-vvf9"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:e390e3ccba1a70a6d519381935d1e2611175d684d4fc08d2cfce7f0b891c09e9 · sha256:d84b9206a07ef48d… · /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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