194 lines
7.7 KiB
JSON
194 lines
7.7 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-2026-96281",
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"assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
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"state": "PUBLISHED",
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"assignerShortName": "redhat",
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"dateReserved": "2026-09-22T20:43:45.571Z",
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"datePublished": "2026-09-27T21:00:17.262Z",
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"dateUpdated": "2026-11-06T02:14:19.696Z"
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},
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"containers": {
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"cna": {
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"title": "Flatpak: flatpak: unprivileged active user can bypass anti-downgrade checks for system apps/runtimes",
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"metrics": [
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{
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"other": {
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"content": {
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"value": "Moderate",
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"namespace": "https://access.redhat.com/security/updates/classification/"
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},
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"type": "Red Hat severity rating"
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}
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},
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{
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"cvssV3_1": {
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"attackComplexity": "HIGH",
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"attackVector": "PHYSICAL",
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"availabilityImpact": "HIGH",
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"baseScore": 6.2,
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"baseSeverity": "MEDIUM",
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"confidentialityImpact": "HIGH",
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"integrityImpact": "HIGH",
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"privilegesRequired": "LOW",
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"scope": "UNCHANGED",
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"userInteraction": "REQUIRED",
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"vectorString": "CVSS:3.1/AV:P/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H",
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"version": "3.1"
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},
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"format": "CVSS"
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}
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],
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"descriptions": [
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{
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"lang": "en",
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"value": "On a multi-user system, a user with an active local login session could downgrade a system-wide Flatpak app to an older version by removing the app's remote ref via the unprivileged system-helper RemoveLocalRef method, causing the anti-downgrade check to fail to find a reference date. A malicious local user could use this to expose other users of the same system to an app version with unfixed vulnerabilities."
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}
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],
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"affected": [
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{
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"vendor": "Red Hat",
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"product": "Red Hat Enterprise Linux 10",
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"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
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"packageName": "flatpak",
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"defaultStatus": "affected",
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"cpes": [
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"cpe:/a:redhat:enterprise_linux:10"
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]
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},
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{
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"vendor": "Red Hat",
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"product": "Red Hat Enterprise Linux 7",
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"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
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"packageName": "flatpak",
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"defaultStatus": "affected",
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"cpes": [
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"cpe:/o:redhat:rhel_els:7"
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]
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},
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{
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"vendor": "Red Hat",
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"product": "Red Hat Enterprise Linux 8",
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"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
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"packageName": "flatpak",
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"defaultStatus": "affected",
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"cpes": [
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"cpe:/a:redhat:enterprise_linux:8"
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]
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},
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{
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"vendor": "Red Hat",
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"product": "Red Hat Enterprise Linux 9",
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"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
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"packageName": "flatpak",
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"defaultStatus": "affected",
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"cpes": [
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"cpe:/a:redhat:enterprise_linux:9"
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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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"url": "https://access.redhat.com/security/cve/CVE-2026-96281",
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"tags": [
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"vdb-entry",
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"x_refsource_REDHAT"
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]
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},
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{
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"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2539421",
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"name": "RHBZ#2539421",
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"tags": [
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"issue-tracking",
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"x_refsource_REDHAT"
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]
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},
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{
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"url": "https://github.com/flatpak/flatpak/security/advisories/GHSA-q4gr-vc25-57m5"
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}
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],
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"datePublic": "2026-08-11T00:00:00.000Z",
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"problemTypes": [
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{
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"descriptions": [
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{
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"cweId": "CWE-284",
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"description": "Improper Access Control",
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"lang": "en",
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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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"x_redhatCweChain": "CWE-284: Improper Access Control",
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"workarounds": [
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{
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"lang": "en",
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"value": "Ensure that Flatpak apps installed system-wide are fully updated before running them."
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}
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],
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"timeline": [
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{
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"lang": "en",
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"time": "2026-08-11T00:00:00.000Z",
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"value": "Reported to Red Hat."
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},
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{
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"lang": "en",
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"time": "2026-08-11T00:00:00.000Z",
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"value": "Made public."
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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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"value": "Upstream acknowledges Vivek Parikh (BreachX Zero Day Labs) as the original reporter."
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}
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],
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"providerMetadata": {
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"orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
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"shortName": "redhat",
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"dateUpdated": "2026-11-06T02:14:19.696Z"
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},
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"x_generator": {
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"engine": "cvelib 1.8.0"
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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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"id": "CVE-2026-96281",
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"role": "CISA Coordinator",
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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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"version": "2.0.3",
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"timestamp": "2026-09-30T19:41:13.507053Z"
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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": "2026-09-30T20:11:12.558Z"
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}
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}
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]
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}
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} |