{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-62237", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "state": "PUBLISHED", "assignerShortName": "VulnCheck", "dateReserved": "2026-07-13T16:41:09.007Z", "datePublished": "2026-07-17T00:07:11.756Z", "dateUpdated": "2026-07-17T00:07:11.756Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-07-17T00:07:11.756Z"}, "datePublic": "2026-06-29T00:00:00.000Z", "title": "Grav < 2.0.4 ReDoS via regex_replace in Sandbox", "descriptions": [{"lang": "en", "value": "Grav before 2.0.4 contains a regular expression denial of service (ReDoS) vulnerability in the regex_replace filter and function, which are allowlisted in the Twig content sandbox. When Twig processing in page content is enabled (security.twig_content.process_enabled: true, disabled by default), an authenticated page editor can supply a catastrophically backtracking PCRE pattern that is passed directly to PHP's preg_replace(), causing unbounded CPU consumption and denial of service to the web server process."}], "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-1333", "description": "Inefficient Regular Expression Complexity", "type": "CWE"}]}], "affected": [{"vendor": "getgrav", "product": "grav", "defaultStatus": "unaffected", "versions": [{"version": "0", "status": "affected", "versionType": "semver", "lessThan": "2.0.4"}, {"version": "2.0.4", "status": "unaffected", "versionType": "semver"}], "repo": "https://github.com/getgrav/grav"}], "cpeApplicability": [{"nodes": [{"operator": "OR", "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:getgrav:grav:*:*:*:*:*:*:*:*", "versionEndExcluding": "2.0.4"}]}]}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV4_0": {"attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "privilegesRequired": "LOW", "userInteraction": "NONE", "vulnConfidentialityImpact": "NONE", "subConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "subIntegrityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "subAvailabilityImpact": "NONE", "exploitMaturity": "NOT_DEFINED", "Safety": "NOT_DEFINED", "Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "valueDensity": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "version": "4.0", "baseSeverity": "MEDIUM", "baseScore": 6, "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"}}, {"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH", "version": "3.1", "baseSeverity": "MEDIUM", "baseScore": 6.5, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}}], "references": [{"url": "https://github.com/getgrav/grav/security/advisories/GHSA-37f3-6p89-6qr9", "name": "GitHub Security Advisory (GHSA-37f3-6p89-6qr9)", "tags": ["vendor-advisory"]}, {"name": "VulnCheck Advisory: Grav < 2.0.4 ReDoS via regex_replace in Sandbox", "tags": ["third-party-advisory"], "url": "https://www.vulncheck.com/advisories/grav-redos-via-regex-replace-in-sandbox"}], "credits": [{"lang": "en", "value": "gemstone-source", "type": "reporter"}, {"lang": "en", "value": "drpr0grammer", "type": "reporter"}], "x_generator": {"engine": "vulncheck-endgame"}, "tags": ["x_open-source"]}}}

{}

{}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,2.0.4)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "2.0.4"}}], "enrichment": {"confidence": 95.0, "confidence_source": "inferred", "scores": [{"score": 95.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "grav", "source": "cna", "vendor": "getgrav"}, "product": "grav", "vendor": "getgrav"}], "created": "2026-07-17T01:45:04.852557+00:00", "updated": "2026-07-17T01:45:04.852602+00:00", "vendors": ["getgrav", "getgrav$PRODUCT$grav"]}