199 lines
7.6 KiB
JSON
199 lines
7.6 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-2026-22880",
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"assignerOrgId": "9302f53e-dde5-4bf3-b2f2-a83f91ac0eee",
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"state": "PUBLISHED",
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"assignerShortName": "Mattermost",
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"dateReserved": "2026-02-23T22:07:32.793Z",
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"datePublished": "2026-05-21T08:22:00.182Z",
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"dateUpdated": "2026-05-21T12:39:30.334Z"
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},
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"containers": {
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"cna": {
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"affected": [
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{
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"defaultStatus": "unaffected",
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"product": "Mattermost",
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"vendor": "Mattermost",
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"versions": [
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{
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"lessThanOrEqual": "2.0.37",
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"status": "affected",
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"version": "0",
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"versionType": "semver"
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},
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{
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"lessThanOrEqual": "11.0.4",
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"status": "affected",
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"version": "0",
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"versionType": "semver"
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},
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{
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"lessThanOrEqual": "11.1.3",
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"status": "affected",
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"version": "0",
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"versionType": "semver"
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},
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{
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"lessThanOrEqual": "11.3.2",
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"status": "affected",
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"version": "0",
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"versionType": "semver"
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},
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{
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"lessThanOrEqual": "10.11.11",
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"status": "affected",
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"version": "0",
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"versionType": "semver"
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},
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{
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"version": "2.38.0",
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"status": "unaffected"
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},
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{
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"version": "11.5.0",
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"status": "unaffected"
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},
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{
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"version": "2.37.1.0",
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"status": "unaffected"
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},
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{
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"version": "11.4.1",
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"status": "unaffected"
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},
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{
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"version": "11.3.2",
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"status": "unaffected"
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},
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{
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"version": "11.2.4",
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"status": "unaffected"
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},
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{
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"version": "10.11.12",
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"status": "unaffected"
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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": "Doyensec"
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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": "Mattermost Mobile Apps versions <=2.37 11.4 2.0.37 11.0.4 11.1.3 11.3.2 10.11.11.0 fail to properly validate the SSO authentication callback origin which allows an attacker controlling a malicious Mattermost server to steal user credentials for a legitimate Mattermost server via relaying the SSO code exchange flow through the mobile application. Mattermost Advisory ID: MMSA-2025-00564"
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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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"attackVector": "NETWORK",
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"attackComplexity": "HIGH",
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"privilegesRequired": "NONE",
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"userInteraction": "REQUIRED",
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"scope": "CHANGED",
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"confidentialityImpact": "HIGH",
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"integrityImpact": "NONE",
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"availabilityImpact": "NONE",
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"version": "3.1",
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"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:N/A:N",
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"baseSeverity": "MEDIUM",
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"baseScore": 6.1
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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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}
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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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"description": "CWE-352: Cross-Site Request Forgery (CSRF)",
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"cweId": "CWE-352"
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}
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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://mattermost.com/security-updates",
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"name": "MMSA-2025-00564",
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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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"value": "Update Mattermost Mobile Apps to versions 2.38.0, 11.5.0, 2.37.1.0, 11.4.1, 11.3.2, 11.2.4, 10.11.12 or higher.",
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"lang": "en"
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}
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],
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"source": {
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"advisory": "MMSA-2025-00564",
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"defect": [
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"https://mattermost.atlassian.net/browse/MM-66812"
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],
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"discovery": "EXTERNAL"
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},
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"title": "Mobile SSO authentication flow allows credential theft via malicious server",
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"providerMetadata": {
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"orgId": "9302f53e-dde5-4bf3-b2f2-a83f91ac0eee",
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"shortName": "Mattermost",
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"dateUpdated": "2026-05-21T08:22:00.182Z"
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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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"timestamp": "2026-05-21T12:39:11.362984Z",
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"id": "CVE-2026-22880",
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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": "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": "2026-05-21T12:39:30.334Z"
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}
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}
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]
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}
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} |