Pingvin Share X: TOTP Authentication Bypass via Password-only Login
Priority MEDIUM 45CWE-287Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-287.
Summary
Pingvin Share X is a secure and easy self-hosted file sharing platform. From 1.14.1 to 1.16.2, a critical authentication bypass vulnerability allows an attacker who has obtained a valid username and password to skip the second-factor authentication (TOTP) requirement entirely. Although, an attacker still needs the user's password to reach this stage. This vulnerability is fixed in 1.16.3.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00299 22nd percentileScored 2026-11-07
Fix Fixed pingvin-share-x (smp46): 1.16.3
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
- Fix · CNA pingvin-share-x (smp46) Fixed in 1.16.3
Timeline
- 2026-10-02 Threatist record created from CVE-2026-44196
More smp46 vulnerabilities
- TI-2026-70100 Account takeover in Pingvin Share X via OAuth email linking CVSS 4.0CRITICAL 9.2
- TI-2026-36622 TOTP enrollment hijack: password gate skipped due to unawaited promise CVSS 3.1HIGH 8.8
- TI-2026-70530 Rate limit bypass in Pingvin Share X via spoofed X-Forwarded-For CVSS 4.0MEDIUM 6.9
- TI-2026-70531 Ineffective authentication rate limiting in Pingvin Share X CVSS 4.0MEDIUM 6.9
Sources
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences