147 lines
6.5 KiB
JSON
147 lines
6.5 KiB
JSON
{
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"dataType": "CVE_RECORD",
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"dataVersion": "5.2",
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"cveMetadata": {
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"cveId": "CVE-2026-77581",
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"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
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"state": "PUBLISHED",
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"assignerShortName": "GitHub_M",
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"dateReserved": "2026-08-20T20:35:30.148Z",
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"datePublished": "2026-09-24T15:23:18.550Z",
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"dateUpdated": "2026-09-24T15:37:29.237Z"
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},
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"containers": {
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"cna": {
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"title": "BentoPDF: SSRF in cors-proxy-worker.js via DNS-based hostname allowlist bypass",
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"problemTypes": [
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{
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"descriptions": [
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{
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"cweId": "CWE-918",
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"lang": "en",
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"description": "CWE-918: Server-Side Request Forgery (SSRF)",
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"type": "CWE"
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}
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]
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}
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],
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"metrics": [
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{
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"cvssV3_1": {
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"attackComplexity": "LOW",
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"attackVector": "NETWORK",
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"availabilityImpact": "LOW",
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"baseScore": 8.6,
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"baseSeverity": "HIGH",
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"confidentialityImpact": "HIGH",
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"integrityImpact": "LOW",
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"privilegesRequired": "NONE",
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"scope": "UNCHANGED",
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"userInteraction": "NONE",
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"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L",
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"version": "3.1"
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}
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}
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],
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"references": [
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{
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"name": "https://github.com/alam00000/bentopdf/security/advisories/GHSA-5xjf-rr5x-pcfj",
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"tags": [
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"x_refsource_CONFIRM"
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],
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"url": "https://github.com/alam00000/bentopdf/security/advisories/GHSA-5xjf-rr5x-pcfj"
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},
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{
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"name": "https://github.com/alam00000/bentopdf/commit/45496fcd2ed6e02dcdde0d3839cc5024c091760c",
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"tags": [
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"x_refsource_MISC"
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],
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"url": "https://github.com/alam00000/bentopdf/commit/45496fcd2ed6e02dcdde0d3839cc5024c091760c"
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},
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{
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"name": "https://github.com/alam00000/bentopdf/commit/58cd1a8893bfe06e4a59a72adc2e7db00a8b9266",
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"tags": [
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"x_refsource_MISC"
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],
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"url": "https://github.com/alam00000/bentopdf/commit/58cd1a8893bfe06e4a59a72adc2e7db00a8b9266"
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},
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{
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"name": "https://github.com/alam00000/bentopdf/releases/tag/v2.8.7",
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"tags": [
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"x_refsource_MISC"
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],
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"url": "https://github.com/alam00000/bentopdf/releases/tag/v2.8.7"
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}
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],
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"affected": [
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{
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"vendor": "alam00000",
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"product": "bentopdf",
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"versions": [
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{
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"version": "< 2.8.7",
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"status": "affected"
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}
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]
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}
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],
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"providerMetadata": {
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"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
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"shortName": "GitHub_M",
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"dateUpdated": "2026-09-24T15:23:18.550Z"
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},
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"descriptions": [
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{
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"lang": "en",
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"value": "BentoPDF is a client-side PDF toolkit that is self hostable. In 2.8.6 and earlier, the certificate and timestamp CORS proxy in cloudflare/cors-proxy-worker.js uses isPrivateOrReservedHost() to validate a supplied hostname separately from the DNS resolution used by fetch(targetUrl), allowing an attacker-controlled hostname to resolve to an internal or reserved destination after validation. A certificate-like path can satisfy ALLOWED_PATH_PATTERNS, and direct clients can forge the browser-oriented Origin header. Deployments without PROXY_SECRET skip the optional signature check, while the signature is an anti-abuse measure rather than a destination-security boundary. The proxy has a 10 MB response limit and can relay response bodies from reachable destinations. The advisory identifies both the official Worker deployment and self-hosted instances as impacted where the Worker execution environment can reach internal or reserved destinations. This vulnerability is fixed in 2.8.7."
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}
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],
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"source": {
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"advisory": "GHSA-5xjf-rr5x-pcfj",
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"discovery": "UNKNOWN"
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}
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},
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"adp": [
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{
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"references": [
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{
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"url": "https://github.com/alam00000/bentopdf/security/advisories/GHSA-5xjf-rr5x-pcfj",
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"tags": [
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"exploit"
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]
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}
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],
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"metrics": [
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{
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"other": {
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"type": "ssvc",
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"content": {
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"timestamp": "2026-09-24T15:37:09.697885Z",
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"id": "CVE-2026-77581",
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"options": [
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{
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"Exploitation": "poc"
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},
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{
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"Automatable": "yes"
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},
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{
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"Technical Impact": "partial"
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}
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],
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"role": "CISA Coordinator",
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"version": "2.0.3"
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}
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}
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}
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],
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"title": "CISA ADP Vulnrichment",
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"providerMetadata": {
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"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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"shortName": "CISA-ADP",
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"dateUpdated": "2026-09-24T15:37:29.237Z"
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}
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}
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]
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}
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} |