138 lines
5.8 KiB
JSON
138 lines
5.8 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-2026-86063",
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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": "2026-09-04T19:34:03.099Z",
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"datePublished": "2026-10-13T19:04:11.695Z",
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"dateUpdated": "2026-10-13T20:21:00.156Z"
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},
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"containers": {
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"cna": {
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"title": "Claude Code: Plugin Hash Pin Bypass Allows Bypass of Hash Pinning",
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"problemTypes": [
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{
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"descriptions": [
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{
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"cweId": "CWE-494",
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"lang": "en",
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"description": "CWE-494: Download of Code Without Integrity Check",
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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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"descriptions": [
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{
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"cweId": "CWE-829",
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"lang": "en",
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"description": "CWE-829: Inclusion of Functionality from Untrusted Control Sphere",
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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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"cvssV4_0": {
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"attackVector": "NETWORK",
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"attackComplexity": "LOW",
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"attackRequirements": "PRESENT",
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"privilegesRequired": "NONE",
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"userInteraction": "ACTIVE",
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"vulnConfidentialityImpact": "HIGH",
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"vulnIntegrityImpact": "HIGH",
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"vulnAvailabilityImpact": "HIGH",
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"subConfidentialityImpact": "NONE",
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"subIntegrityImpact": "NONE",
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"subAvailabilityImpact": "NONE",
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"baseScore": 7.5,
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"baseSeverity": "HIGH",
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"vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
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"version": "4.0"
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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/anthropics/claude-code/security/advisories/GHSA-pq7j-f95f-qfcv",
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"tags": [
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"x_refsource_CONFIRM"
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],
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"url": "https://github.com/anthropics/claude-code/security/advisories/GHSA-pq7j-f95f-qfcv"
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},
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{
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"name": "https://github.com/anthropics/claude-code/releases/tag/v2.1.179",
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"tags": [
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"x_refsource_MISC"
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],
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"url": "https://github.com/anthropics/claude-code/releases/tag/v2.1.179"
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}
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],
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"affected": [
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{
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"vendor": "anthropics",
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"product": "claude-code",
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"versions": [
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{
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"version": "< 2.1.179",
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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": "2026-10-13T19:04:11.695Z"
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},
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"descriptions": [
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{
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"lang": "en",
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"value": "Claude Code is an agentic coding tool. Prior to 2.1.179, the Claude Code and Claude Desktop plugin installation flow runs git checkout for a marketplace-pinned commit without verifying that the resulting HEAD equals the pinned 40-character SHA. An attacker who controls a plugin repository on a Git host that permits SHA-shaped branch names can create a branch named after the reviewed commit, causing checkout to select the branch tip and install attacker-controlled plugin code. Exploitation requires a user to install the malicious plugin and pin it to the ostensibly safe hash. This issue is fixed in version 2.1.179."
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}
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],
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"source": {
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"advisory": "GHSA-pq7j-f95f-qfcv",
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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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"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": "2026-10-13T20:14:06.546364Z",
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"id": "CVE-2026-86063",
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"options": [
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{
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"Exploitation": "none"
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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": "total"
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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": "2026-10-13T20:21:00.156Z"
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}
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}
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]
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}
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} |