174 lines
7.0 KiB
JSON
174 lines
7.0 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-2026-76216",
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"assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
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"state": "PUBLISHED",
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"assignerShortName": "VulnCheck",
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"dateReserved": "2026-08-19T11:35:13.689Z",
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"datePublished": "2026-08-19T14:02:01.282Z",
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"dateUpdated": "2026-08-20T16:10:29.192Z"
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},
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"containers": {
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"cna": {
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"providerMetadata": {
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"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
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"shortName": "VulnCheck",
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"dateUpdated": "2026-08-19T14:02:01.282Z"
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},
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"datePublic": "2026-08-04T00:00:00.000Z",
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"title": "Vikunja through 2.4.0 Principal-Type Confusion via LinkSharing",
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"descriptions": [
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{
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"lang": "en",
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"value": "Vikunja through 2.4.0 contains a principal-type confusion vulnerability where LinkSharing principals with id N are treated as user principals with users.id == N at three permission checks lacking type guards. Attackers with a link-share JWT can remove victims from teams, enumerate and delete victim bot users, or read team rosters by exploiting id collisions in the autoincrement space."
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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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"description": "Authorization Bypass Through User-Controlled Key",
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"cweId": "CWE-639",
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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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"affected": [
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{
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"vendor": "go-vikunja",
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"product": "vikunja",
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"defaultStatus": "unaffected",
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"packageURL": "pkg:golang/code.vikunja.io/api",
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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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"versionType": "semver",
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"lessThanOrEqual": "2.4.0"
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}
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]
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}
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],
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"cpeApplicability": [
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{
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"nodes": [
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{
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"operator": "OR",
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"negate": false,
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"cpeMatch": [
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:a:vikunja:vikunja:*:*:*:*:*:*:*:*",
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"versionEndIncluding": "2.4.0"
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}
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]
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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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"cvssV4_0": {
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"version": "4.0",
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"vectorString": "CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
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"attackVector": "NETWORK",
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"attackComplexity": "HIGH",
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"attackRequirements": "PRESENT",
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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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"baseScore": 7.7,
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"baseSeverity": "HIGH"
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}
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},
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{
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"format": "CVSS",
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"cvssV3_1": {
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"version": "3.1",
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"vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
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"attackVector": "NETWORK",
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"attackComplexity": "HIGH",
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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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"baseScore": 7.5,
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"baseSeverity": "HIGH"
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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://github.com/go-vikunja/vikunja/security/advisories/GHSA-32r8-5843-4qw2",
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"tags": [
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"vendor-advisory"
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],
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"name": "GitHub Security Advisory (GHSA-32r8-5843-4qw2)"
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},
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{
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"name": "VulnCheck Advisory: Vikunja through 2.4.0 Principal-Type Confusion via LinkSharing",
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"tags": [
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"third-party-advisory"
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],
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"url": "https://www.vulncheck.com/advisories/vikunja-through-principal-type-confusion-via-linksharing"
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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": "manus-use",
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"type": "reporter"
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}
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],
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"x_generator": {
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"engine": "vulncheck-endgame"
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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": "2026-08-20T16:10:21.585796Z",
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"id": "CVE-2026-76216",
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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": "2026-08-20T16:10:29.192Z"
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}
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}
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]
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}
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} |