197 lines
8.2 KiB
JSON
197 lines
8.2 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-2026-56748",
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"assignerOrgId": "af879a92-7297-456a-bb0e-905ac6c64bdc",
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"state": "PUBLISHED",
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"assignerShortName": "Cribl",
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"dateReserved": "2026-06-22T20:02:07.174Z",
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"datePublished": "2026-07-27T19:27:31.700Z",
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"dateUpdated": "2026-07-27T20:22:35.788Z"
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},
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"containers": {
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"cna": {
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"providerMetadata": {
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"orgId": "af879a92-7297-456a-bb0e-905ac6c64bdc",
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"shortName": "Cribl",
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"dateUpdated": "2026-07-27T19:27:31.700Z"
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},
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"title": "Authenticated RCE via Symlink Following in Cribl Stream Pack Git Import",
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"datePublic": "2026-07-27T00:00:00.000Z",
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"descriptions": [
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{
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"lang": "en",
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"value": "Improper validation of symbolic links in the Pack Git import feature in Cribl Stream before 4.18.2 allows a remote authenticated attacker with Pack import and pipeline preview permissions to execute arbitrary code as the Cribl server process via a crafted Git repository containing a symbolic link in the pack's functions directory.",
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"supportingMedia": [
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{
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"type": "text/html",
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"base64": false,
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"value": "<p>Improper validation of symbolic links in the Pack Git import feature in Cribl Stream before 4.18.2 allows a remote authenticated attacker with Pack import and pipeline preview permissions to execute arbitrary code as the Cribl server process via a crafted Git repository containing a symbolic link in the pack's functions directory.</p>"
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}
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]
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}
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],
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"affected": [
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{
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"vendor": "Cribl",
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"product": "Cribl Stream",
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"versions": [
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{
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"version": "0",
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"status": "affected",
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"lessThan": "4.18.2",
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"versionType": "semver"
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}
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],
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"defaultStatus": "unaffected"
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}
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],
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"problemTypes": [
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{
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"descriptions": [
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{
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"lang": "en",
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"type": "CWE",
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"cweId": "CWE-61",
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"description": "CWE-61: UNIX Symbolic Link ('Symlink') Following"
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}
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]
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}
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],
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"impacts": [
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{
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"capecId": "CAPEC-132",
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"descriptions": [
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{
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"lang": "en",
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"value": "CAPEC-132 Symlink Attack"
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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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"format": "CVSS",
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"scenarios": [
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{
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"lang": "en",
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"value": "GENERAL"
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}
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],
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"cvssV3_1": {
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"version": "3.1",
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"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
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"baseScore": 8.8,
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"baseSeverity": "HIGH",
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"attackVector": "NETWORK",
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"attackComplexity": "LOW",
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"privilegesRequired": "LOW",
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"userInteraction": "NONE",
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"scope": "UNCHANGED",
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"confidentialityImpact": "HIGH",
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"integrityImpact": "HIGH",
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"availabilityImpact": "HIGH"
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},
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"cvssV4_0": {
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"version": "4.0",
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"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
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"baseScore": 8.7,
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"baseSeverity": "HIGH",
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"attackVector": "NETWORK",
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"attackComplexity": "LOW",
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"attackRequirements": "NONE",
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"privilegesRequired": "LOW",
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"userInteraction": "NONE",
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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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"exploitMaturity": "PROOF_OF_CONCEPT",
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"Safety": "NOT_DEFINED",
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"Automatable": "NOT_DEFINED",
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"Recovery": "NOT_DEFINED",
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"valueDensity": "NOT_DEFINED",
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"vulnerabilityResponseEffort": "NOT_DEFINED",
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"providerUrgency": "NOT_DEFINED"
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}
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}
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],
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"source": {
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"discovery": "INTERNAL"
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},
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"references": [
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{
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"url": "https://docs.cribl.io/stream/release-notes/release-v4182/#security-fixes",
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"name": "Cribl Stream 4.18.2 Security Fixes",
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"tags": [
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"release-notes"
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]
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},
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{
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"url": "https://trust.cribl.io/notifications",
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"name": "Cribl Trust Portal",
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"tags": [
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"vendor-advisory"
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]
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}
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],
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"solutions": [
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{
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"lang": "en",
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"value": "Upgrade Cribl Stream to v4.18.2 or higher. Upgrading fully resolves this vulnerability and no additional mitigation is required.",
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"supportingMedia": [
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{
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"type": "text/html",
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"base64": false,
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"value": "<p>Upgrade Cribl Stream to v4.18.2 or higher. Upgrading fully resolves this vulnerability and no additional mitigation is required.</p>"
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}
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]
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}
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],
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"credits": [
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{
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"lang": "en",
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"type": "finder",
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"value": "Robert Lackey, Cribl Product Security"
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}
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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": "2026-07-27T20:22:29.574661Z",
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"id": "CVE-2026-56748",
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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": "2026-07-27T20:22:35.788Z"
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}
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}
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]
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}
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} |