CVE-2026-110972
Use of Client-Side Authentication in Płatnik
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.
Fixes and workarounds
No remediation reported in collected sources.
Missing remediation information is not evidence that no patch exists.
Affected products and versions
| Product | Versions | Authority |
|---|---|---|
| Płatnik Zakład Ubezpieczeń Społecznych |
≥ 0; ≤ 10.02.002 (affected, custom); unaffected at metric 334
Other versions: unaffected |
CNA: CERT-PL |
Version ranges are source assertions. Check the vendor advisory and your installed configuration before determining exposure.
CVSS assessments
| Version / score | Vector | Authority |
|---|---|---|
| 4.0 / 8.6 high |
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N | CNA: CERT-PL |
| 4.0 / 8.6 high |
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X | NVD: [email protected] |
Exploit evidence
No exploit evidence in collected sources. This is not proof of no exploitation.
References
- https://cert.pl/posts/2026/10/CVE-2026-110970CNA: CERT-PL · third-party-advisory
- https://www.zus.pl/firmy/program-platnik/o-programie-platnikCNA: CERT-PL · product
- https://cert.pl/posts/2026/10/CVE-2026-110970[email protected]
- https://www.zus.pl/firmy/program-platnik/o-programie-platnik[email protected]
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