CVE-2026-110972 json
Use of Client-Side Authentication in Płatnik
published 10d ago modified 6d ago also EUVD-2026-113776
- cvss
- 8.6
- version 4.0, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.2%
- EPSS 0.2% chance of exploitation in 30 days, percentile 10%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- Zakład Ubezpieczeń Społecznych Płatnik metric 334
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Check with FencerCISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
- Assessed
- 10d ago
Exploit prediction
0.21% chance of exploitation in the next 30 days, higher than 10% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 4.0 | 8.6 | 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 | 4.0 | 8.6 | 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 |
Affected products
- Zakład Ubezpieczeń Społecznych Płatnik
Classification
- Weakness
-
- CWE-603 Use of Client-Side Authentication
References
-
cert.pl
/posts/2026/10/CVE-2026-110970
third-party-advisory
-
zus.pl
/firmy/program-platnik/o-programie-platnik
product
Sources
- CVE List CVE-2026-110972
- NVD CVE-2026-110972
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