{"id":"CLEANSTART-2026-WA48911","summary":"authenticated SSH client that repeatedly opened channels which were rejected by the server caused unbounded memory growth, eventually crashing the server process and affecting all connected users","details":"Multiple security vulnerabilities affect the percona-server-mongodb-operator package. An authenticated SSH client that repeatedly opened channels which were rejected by the server caused unbounded memory growth, eventually crashing the server process and affecting all connected users. See references for individual vulnerability details.","modified":"2026-09-18T12:17:54.246365759Z","published":"2026-06-11T00:51:16.571546Z","withdrawn":"2026-09-18T11:59:01.768079Z","upstream":["CVE-2025-47911","CVE-2025-47913","CVE-2025-47914","CVE-2025-58181","CVE-2025-58190","CVE-2026-25680","CVE-2026-25681","CVE-2026-27136","CVE-2026-32952","CVE-2026-33814","CVE-2026-35469","CVE-2026-39821","CVE-2026-39824","CVE-2026-39827","CVE-2026-39828","CVE-2026-39829","CVE-2026-39830","CVE-2026-39831","CVE-2026-39832","CVE-2026-39833","CVE-2026-39834","CVE-2026-39835","CVE-2026-42502","CVE-2026-42506","CVE-2026-42508","CVE-2026-46595","CVE-2026-46597","CVE-2026-46598","ghsa-f6x5-jh6r-wrfv","ghsa-j5w8-q4qc-rx2x","ghsa-pc3f-x583-g7j2","ghsa-pjcq-xvwq-hhpj"],"database_specific":{},"references":[{"type":"ADVISORY","url":"https://github.com/cleanstart-dev/cleanstart-security-advisories/tree/main/advisories/2026/CLEANSTART-2026-WA48911.json"},{"type":"WEB","url":"https://osv.dev/vulnerability/CVE-2025-47911"},{"type":"WEB","url":"https://osv.dev/vulnerability/CVE-2025-47913"},{"type":"WEB","url":"https://osv.dev/vulnerability/CVE-2025-47914"},{"type":"WEB","url":"https://osv.dev/vulnerability/CVE-2025-58181"},{"type":"WEB","url":"https://osv.dev/vulnerability/CVE-2025-58190"},{"type":"WEB","url":"https://osv.dev/vulnerability/CVE-2026-25680"},{"type":"WEB","url":"https://osv.dev/vulnerability/CVE-2026-25681"},{"type":"WEB","url":"https://osv.dev/vulnerability/CVE-2026-27136"},{"type":"WEB","url":"https://osv.dev/vulnerability/CVE-2026-32952"},{"type":"WEB","url":"https://osv.dev/vulnerability/CVE-2026-33814"},{"type":"WEB","url":"https://osv.dev/vulnerability/CVE-2026-35469"},{"type":"WEB","url":"https://osv.dev/vulnerability/CVE-2026-39821"},{"type":"WEB","url":"https://osv.dev/vulnerability/CVE-2026-39824"},{"type":"WEB","url":"https://osv.dev/vulnerability/CVE-2026-39827"},{"type":"WEB","url":"https://osv.dev/vulnerability/CVE-2026-39828"},{"type":"WEB","url":"https://osv.dev/vulnerability/CVE-2026-39829"},{"type":"WEB","url":"https://osv.dev/vulnerability/CVE-2026-39830"},{"type":"WEB","url":"https://osv.dev/vulnerability/CVE-2026-39831"},{"type":"WEB","url":"https://osv.dev/vulnerability/CVE-2026-39832"},{"type":"WEB","url":"https://osv.dev/vulnerability/CVE-2026-39833"},{"type":"WEB","url":"https://osv.dev/vulnerability/CVE-2026-39834"},{"type":"WEB","url":"https://osv.dev/vulnerability/CVE-2026-39835"},{"type":"WEB","url":"https://osv.dev/vulnerability/CVE-2026-42502"},{"type":"WEB","url":"https://osv.dev/vulnerability/CVE-2026-42506"},{"type":"WEB","url":"https://osv.dev/vulnerability/CVE-2026-42508"},{"type":"WEB","url":"https://osv.dev/vulnerability/CVE-2026-46595"},{"type":"WEB","url":"https://osv.dev/vulnerability/CVE-2026-46597"},{"type":"WEB","url":"https://osv.dev/vulnerability/CVE-2026-46598"},{"type":"WEB","url":"https://osv.dev/vulnerability/ghsa-f6x5-jh6r-wrfv"},{"type":"WEB","url":"https://osv.dev/vulnerability/ghsa-j5w8-q4qc-rx2x"},{"type":"WEB","url":"https://osv.dev/vulnerability/ghsa-pc3f-x583-g7j2"},{"type":"WEB","url":"https://osv.dev/vulnerability/ghsa-pjcq-xvwq-hhpj"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-47911"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-47913"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-47914"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-58181"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-58190"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-25680"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-25681"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-27136"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-32952"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-33814"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-35469"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-39821"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-39824"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-39827"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-39828"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-39829"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-39830"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-39831"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-39832"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-39833"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-39834"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-39835"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-42502"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-42506"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-42508"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-46595"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-46597"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-46598"}],"affected":[{"package":{"name":"percona-server-mongodb-operator","ecosystem":"CleanStart"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.22.0-r1"}]}],"database_specific":{"source":"https://github.com/cleanstart-dev/cleanstart-security-advisories/blob/main/advisories/2026/CLEANSTART-2026-WA48911.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}]}