{"id":"CVE-2026-108162","title":"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","summary":"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 spoof…","severity":"medium","cvss":6.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","cwe":["CWE-348"],"published":"2026-10-10","updated":"2026-10-10","sourceUpdated":"2026-10-10T14:16:37.397","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-108162","references":[{"url":"https://github.com/smp46/pingvin-share-x","label":"disclosure@vulncheck.com"},{"url":"https://github.com/smp46/pingvin-share-x/blob/68ebf191fe1362592ffd5517e662f087e36c10b2/backend/src/main.ts#L57","label":"disclosure@vulncheck.com"},{"url":"https://github.com/smp46/pingvin-share-x/commit/25e9cee7fb1c155300b5663fc5fedeea32d20954","label":"disclosure@vulncheck.com"},{"url":"https://github.com/smp46/pingvin-share-x/releases/tag/v1.22.0","label":"disclosure@vulncheck.com"},{"url":"https://github.com/smp46/pingvin-share-x/security/advisories/GHSA-7gx2-g6x2-7mjg","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/pingvin-share-x-before-1.22.0-rate-limit-bypass-via-spoofed-x-forwarded-for","label":"disclosure@vulncheck.com"}],"tags":["nvd"],"ingestedAt":"2026-10-10T15:25:58.081Z","slug":"CVE-2026-108162","body":"## Overview\n\nPingvin 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":36,"depthScoreParts":{"impact":35.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}