CVE Explorer
CVE-2026-10085
Mattermost versions 11.7.x <= 11.7.2, 11.6.x <= 11.6.4, 10.11.x <= 10.11.19 fail to restrict the group_constrained channel flag to public and private channels that support group synchronization, which allows an ordinary group or direct message member to remove all participants from the conversation via the channel patch API.. Mattermost Advisory ID: MMSA-2026-00688
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0
Affected products and versions
1 source assertion{"defaultStatus":"unaffected","product":"Mattermost","vendor":"Mattermost","versions":[{"lessThanOrEqual":"11.7.2","status":"affected","version":"11.7.0","versionType":"semver"},{"lessThanOrEqual":"11.6.4","status":"affected","version":"11.6.0","versionType":"semver"},{"lessThanOrEqual":"10.11.19","status":"affected","version":"10.11.0","versionType":"semver"},{"status":"unaffected","version":"11.8.0"},{"status":"unaffected","version":"11.7.3"},{"status":"unaffected","version":"11.6.5"},{"status":"unaffected","version":"10.11.20"}]}
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:93c777f1a89e4dca7f8d23049d2beb06435db8841e0e07654dec7636ff5e3a3b · sha256:e008193c0375dd00… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"LOW","baseScore":5.4,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"LOW","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L","version":"3.1"},"metric_type":"cvssV3_1"}
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:93c777f1a89e4dca7f8d23049d2beb06435db8841e0e07654dec7636ff5e3a3b · sha256:e008193c0375dd00… · /containers/cna/metrics/0/cvssV3_1
CWE assertions
1 source assertion{"cweId":"CWE-862","description":"CWE-862: Missing Authorization","lang":"en","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:93c777f1a89e4dca7f8d23049d2beb06435db8841e0e07654dec7636ff5e3a3b · sha256:e008193c0375dd00… · /containers/cna/problemTypes/0/descriptions/0
Source references
1 source assertion{"name":"MMSA-2026-00688","tags":["vendor-advisory"],"url":"https://mattermost.com/security-updates"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:93c777f1a89e4dca7f8d23049d2beb06435db8841e0e07654dec7636ff5e3a3b · sha256:e008193c0375dd00… · /containers/cna/references/0
Attribution and limitations
- CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →
Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.