{"id":"CVE-2026-108162","published":"2026-10-10T14:16:37.397","lastModified":"2026-10-16T19:18:44.867","description":"Pingvin Share X before 1.22.0 contains a rate limit bypass vulnerability that allows unauthenticated remote attackers to evade per-IP throttling because backend/src/main.ts unconditionally trusts proxy headers. Attackers can rotate spoofed X-Forwarded-For values against /api/auth/signIn, /api/auth/signIn/totp, and /api/auth/resetPassword to brute-force passwords and TOTP codes and forge logged client IP addresses.","cvssScore":6.5,"cvssSeverity":"MEDIUM","cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","cwes":["CWE-348"],"vendors":[],"products":[],"references":[{"url":"https://github.com/smp46/pingvin-share-x","tags":[]},{"url":"https://github.com/smp46/pingvin-share-x/blob/68ebf191fe1362592ffd5517e662f087e36c10b2/backend/src/main.ts#L57","tags":[]},{"url":"https://github.com/smp46/pingvin-share-x/commit/25e9cee7fb1c155300b5663fc5fedeea32d20954","tags":[]},{"url":"https://github.com/smp46/pingvin-share-x/releases/tag/v1.22.0","tags":[]},{"url":"https://github.com/smp46/pingvin-share-x/security/advisories/GHSA-7gx2-g6x2-7mjg","tags":[]},{"url":"https://www.vulncheck.com/advisories/pingvin-share-x-before-1.22.0-rate-limit-bypass-via-spoofed-x-forwarded-for","tags":[]}],"exploitRefs":[{"url":"https://github.com/smp46/pingvin-share-x","tags":[]},{"url":"https://github.com/smp46/pingvin-share-x/blob/68ebf191fe1362592ffd5517e662f087e36c10b2/backend/src/main.ts#L57","tags":[]},{"url":"https://github.com/smp46/pingvin-share-x/commit/25e9cee7fb1c155300b5663fc5fedeea32d20954","tags":[]},{"url":"https://github.com/smp46/pingvin-share-x/releases/tag/v1.22.0","tags":[]},{"url":"https://github.com/smp46/pingvin-share-x/security/advisories/GHSA-7gx2-g6x2-7mjg","tags":[]}],"hasPoc":true,"ai":null}