Płatnik performs client-side authentication.
CVE-2026-110972
Płatnik performs client-side authentication. An attacker with access to any application instance connected to the backend server can bypass the login verification process and authenticate as an arbitrary user. This issue was fixed in metric 334 in version 10.02.002.
Assessment
- CVSS
- 8.6 (v4.0)
- Severity
- High
- EPSS
- 0.21% chance of exploitation in the next 30 days
- Known exploited
- Not listed in CISA KEV
- Exploit availability
- Nothing found in Exploit-DB, Metasploit, Nuclei or public PoC repositories
- Published
- 30 October 2026
- Last updated
- 3 November 2026
- Affected
- Zakład Ubezpieczeń Społecznych · Płatnik
- Assigner
- CERT-PL
CVSS vectorCVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N
At the source
References
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