126 lines
5.0 KiB
JSON
126 lines
5.0 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-2026-46431",
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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": "2026-05-13T22:18:22.830Z",
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"datePublished": "2026-05-26T16:42:40.675Z",
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"dateUpdated": "2026-05-26T17:39:14.529Z"
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},
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"containers": {
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"cna": {
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"title": "Algernon: Auto-refresh SSE event server sets Access-Control-Allow-Origin: *",
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"problemTypes": [
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{
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"descriptions": [
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{
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"cweId": "CWE-942",
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"lang": "en",
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"description": "CWE-942: Permissive Cross-domain Policy with Untrusted Domains",
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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": "NONE",
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"baseScore": 4.3,
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"baseSeverity": "MEDIUM",
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"confidentialityImpact": "LOW",
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"integrityImpact": "NONE",
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"privilegesRequired": "NONE",
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"scope": "UNCHANGED",
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"userInteraction": "REQUIRED",
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"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N",
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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/xyproto/algernon/security/advisories/GHSA-hw27-4v2q-5qff",
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"tags": [
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"x_refsource_CONFIRM"
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],
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"url": "https://github.com/xyproto/algernon/security/advisories/GHSA-hw27-4v2q-5qff"
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}
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],
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"affected": [
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{
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"vendor": "xyproto",
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"product": "algernon",
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"versions": [
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{
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"version": "< 1.17.7",
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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": "2026-05-26T16:42:40.675Z"
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},
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"descriptions": [
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{
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"lang": "en",
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"value": "Algernon is a small self-contained pure-Go web server. Prior to 1.17.7, the SSE event server's Access-Control-Allow-Origin response header was hardcoded to the wildcard * regardless of the caller's Origin. Because EventSource does not preflight and does not send cookies, the wildcard is sufficient to let any third-party page the developer visits open a cross-origin EventSource to the SSE port and read the live filename stream from JavaScript. This vulnerability is fixed in 1.17.7."
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}
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],
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"source": {
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"advisory": "GHSA-hw27-4v2q-5qff",
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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/xyproto/algernon/security/advisories/GHSA-hw27-4v2q-5qff",
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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": "2026-05-26T17:38:47.158630Z",
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"id": "CVE-2026-46431",
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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": "no"
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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": "2026-05-26T17:39:14.529Z"
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}
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}
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]
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}
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} |