{"cve":"CVE-2026-22892","nvd":{"published":"2026-02-13T11:16:10.693","modified":"2026-06-17T10:20:34.173","status":"Analyzed","description":"Mattermost versions 11.1.x <= 11.1.2, 10.11.x <= 10.11.9, 11.2.x <= 11.2.1 fail to validate user permissions when creating Jira issues from Mattermost posts, which allows an authenticated attacker with access to the Jira plugin to read post content and attachments from channels they do not have access to via the /create-issue API endpoint by providing the post ID of an inaccessible post.. Mattermost Advisory ID: MMSA-2025-00550","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","score":4.3},"cwes":["CWE-863"],"references":["https://mattermost.com/security-updates"],"products":["mattermost:mattermost_server"],"source":"nvd","synced_at":"2026-10-19T22:23:35.260773158+00:00"},"epss":{"cve":"CVE-2026-22892","score":0.00269,"percentile":0.19097,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-9pj7-jh2r-87g8","url":"https://osv.dev/vulnerability/GHSA-9pj7-jh2r-87g8","summary":"Mattermost doesn't validate user permissions when creating Jira issues from Mattermost posts","modified":"2026-02-23T19:26:05.244497Z","packages":[{"ecosystem":"Go","name":"github.com/mattermost/mattermost-server","purl":"pkg:golang/github.com/mattermost/mattermost-server","ranges":[">=11.2.0 <11.2.2"],"fixed":["11.2.2"]},{"ecosystem":"Go","name":"github.com/mattermost/mattermost-server","purl":"pkg:golang/github.com/mattermost/mattermost-server","ranges":[">=11.1.0 <11.1.3"],"fixed":["11.1.3"]},{"ecosystem":"Go","name":"github.com/mattermost/mattermost-server","purl":"pkg:golang/github.com/mattermost/mattermost-server","ranges":[">=10.11.0 <10.11.10"],"fixed":["10.11.10"]}]},{"id":"GO-2026-4496","url":"https://osv.dev/vulnerability/GO-2026-4496","summary":"Mattermost doesn't validate user permissions when creating Jira issues from Mattermost posts in github.com/mattermost/mattermost-server","modified":"2026-02-23T19:26:05.244497Z","packages":[{"ecosystem":"Go","name":"github.com/mattermost/mattermost-server","purl":"pkg:golang/github.com/mattermost/mattermost-server","ranges":[">=10.11.0+incompatible <10.11.10+incompatible",">=11.1.0+incompatible <11.1.3+incompatible",">=11.2.0+incompatible <11.2.2+incompatible"],"fixed":["10.11.10+incompatible","11.1.3+incompatible","11.2.2+incompatible"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}