CVE-2026-108162

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.

References

https://www.vulncheck.com/advisories/pingvin-share-x-before-1.22.0-rate-limit-bypass-via-spoofed-x-forwarded-for

https://github.com/smp46/pingvin-share-x/security/advisories/GHSA-7gx2-g6x2-7mjg

https://github.com/smp46/pingvin-share-x/releases/tag/v1.22.0

https://github.com/smp46/pingvin-share-x/commit/25e9cee7fb1c155300b5663fc5fedeea32d20954

https://github.com/smp46/pingvin-share-x/blob/68ebf191fe1362592ffd5517e662f087e36c10b2/backend/src/main.ts#L57

https://github.com/smp46/pingvin-share-x

https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-96317

Details

Source: Mitre, NVD

Risk Information

CVSS v2

CVSS v3

CVSS v4