What’s Vulnerable › Vulnerabilities

CVE-2026-108163: Pingvin Share X before 1.22.0 Ineffective Authentication Rate Limiting via Throttler TTL

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-10-10 · updated 2026-10-16
• Weakness: CWE-307

Description

Pingvin Share X before 1.22.0 contains an ineffective rate limiting vulnerability because throttler TTL values specified in seconds are interpreted as milliseconds. Unauthenticated attackers can send effectively unthrottled requests to /api/auth/signIn, /api/auth/signIn/totp and /api/auth/resetPassword to brute-force passwords and TOTP codes.

Affected products

• smp46 pingvin-share-x: before 1.22.0 — fixed in 1.22.0

How to fix

Upgrade to a fixed version: smp46 pingvin-share-x 1.22.0. Check the vendor advisory for mitigations.

References

• https://github.com/smp46/pingvin-share-x
• https://github.com/smp46/pingvin-share-x/blob/68ebf191fe1362592ffd5517e662f087e36c10b2/backend/src/auth/auth.controller.ts#L45-L50
• https://github.com/smp46/pingvin-share-x/commit/dc0aa5f66287038d5f919e74948462f994b1d6b1
• https://github.com/smp46/pingvin-share-x/releases/tag/v1.22.0
• https://github.com/smp46/pingvin-share-x/security/advisories/GHSA-7gx2-g6x2-7mjg
• https://www.vulncheck.com/advisories/pingvin-share-x-before-1.22.0-ineffective-authentication-rate-limiting-via-throttler-ttl

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