CVE-2026-108163 Pingvin Share X before 1.22.0 Ineffective Authentication Rate Limiting via Throttler TTL
Attackers can bypass authentication rate limits to brute-force passwords and TOTP codes due to incorrect time unit interpretation in the throttler.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-108163?
CVE-2026-108163 is a medium-severity vulnerability in smp46 pingvin-share-x, published on 10 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-307
Which versions are affected by CVE-2026-108163?
How do I fix CVE-2026-108163?
No fix has been published for CVE-2026-108163 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-108163 being exploited?
There is no known exploitation of CVE-2026-108163 in the wild and no public exploit code.
Sources
Also known as GHSA-2x75-qffm-gvv9.