{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-102983", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-09-29T20:46:08.333Z", "datePublished": "2026-09-30T14:32:03.861Z", "dateUpdated": "2026-09-30T14:33:11.551Z"}, "containers": {"cna": {"title": "Astro: Netlify Image CDN allowlist bypass enables SSRF", "problemTypes": [{"descriptions": [{"cweId": "CWE-625", "lang": "en", "description": "CWE-625: Permissive Regular Expression", "type": "CWE"}]}, {"descriptions": [{"cweId": "CWE-918", "lang": "en", "description": "CWE-918: Server-Side Request Forgery (SSRF)", "type": "CWE"}]}], "metrics": [{"cvssV4_0": {"attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnAvailabilityImpact": "LOW", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 6.3, "baseSeverity": "MEDIUM", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N", "version": "4.0"}}], "references": [{"name": "https://github.com/withastro/astro/security/advisories/GHSA-4233-jc72-56c5", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/withastro/astro/security/advisories/GHSA-4233-jc72-56c5"}, {"name": "https://github.com/withastro/astro/pull/17752", "tags": ["x_refsource_MISC"], "url": "https://github.com/withastro/astro/pull/17752"}, {"name": "https://github.com/withastro/astro/commit/e362d4cf540b27730482455c8fc02efe57d16702", "tags": ["x_refsource_MISC"], "url": "https://github.com/withastro/astro/commit/e362d4cf540b27730482455c8fc02efe57d16702"}, {"name": "https://github.com/withastro/astro/releases/tag/@astrojs/netlify@8.2.4", "tags": ["x_refsource_MISC"], "url": "https://github.com/withastro/astro/releases/tag/@astrojs/netlify@8.2.4"}], "affected": [{"vendor": "withastro", "product": "astro", "versions": [{"version": ">= 5.2.0, < 8.2.4", "status": "affected"}]}, {"vendor": "@astrojs", "product": "netlify", "versions": [{"version": ">= 5.2.0, < 8.2.4", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-09-30T14:33:11.551Z"}, "descriptions": [{"lang": "en", "value": "Astro is a web framework for content-driven websites. From 5.2.0 until 8.2.4, the @astrojs/netlify adapter generates regular expressions for Netlify Image CDN remote-image allowlists without anchoring them to the beginning of the URL. Because Netlify evaluates these expressions with RegExp.test(), an allowed origin appearing only in a source URL's path or query can satisfy image.domains or image.remotePatterns while the URL's actual host remains attacker-controlled. An unauthenticated request to the public /.netlify/images endpoint can therefore cause the Image CDN to request attacker-selected URLs and may probe or reach internal services. Netlify egress protections may constrain reachable targets, and image transformation limits direct response exfiltration; no confidentiality or integrity impact has been demonstrated. This issue is fixed in version 8.2.4."}], "source": {"advisory": "GHSA-4233-jc72-56c5", "discovery": "UNKNOWN"}}}}

{}

{"affected": [{"affectedData": [{"product": "astro", "vendor": "withastro", "versions": [{"status": "affected", "version": ">= 5.2.0, < 8.2.4"}]}, {"product": "netlify", "vendor": "@astrojs", "versions": [{"status": "affected", "version": ">= 5.2.0, < 8.2.4"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Astro is a web framework for content-driven websites. From 5.2.0 until 8.2.4, the @astrojs/netlify adapter generates regular expressions for Netlify Image CDN remote-image allowlists without anchoring them to the beginning of the URL. Because Netlify evaluates these expressions with RegExp.test(), an allowed origin appearing only in a source URL's path or query can satisfy image.domains or image.remotePatterns while the URL's actual host remains attacker-controlled. An unauthenticated request to the public /.netlify/images endpoint can therefore cause the Image CDN to request attacker-selected URLs and may probe or reach internal services. Netlify egress protections may constrain reachable targets, and image transformation limits direct response exfiltration; no confidentiality or integrity impact has been demonstrated. This issue is fixed in version 8.2.4."}], "id": "CVE-2026-102983", "lastModified": "2026-09-30T15:22:22.800", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 6.3, "baseSeverity": "MEDIUM", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "version": "4.0", "vulnAvailabilityImpact": "LOW", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2026-09-30T15:22:22.800", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/withastro/astro/commit/e362d4cf540b27730482455c8fc02efe57d16702"}, {"source": "security-advisories@github.com", "url": "https://github.com/withastro/astro/pull/17752"}, {"source": "security-advisories@github.com", "url": "https://github.com/withastro/astro/releases/tag/@astrojs/netlify@8.2.4"}, {"source": "security-advisories@github.com", "url": "https://github.com/withastro/astro/security/advisories/GHSA-4233-jc72-56c5"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-625"}, {"lang": "en", "value": "CWE-918"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{}

{}