CVE-2026-110972

Use of Client-Side Authentication in Płatnik

Published Oct 30, 2026 CVSS 4.0 · 8.6 High EPSS < 1% KEV · Not listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Description 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 242 in version 10.02.002. 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.
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description 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 242 in version 10.02.002.
Title Use of Client-Side Authentication in Płatnik
First Time appeared Zak Ad Ubezpiecze Spo Ecznych
Zak Ad Ubezpiecze Spo Ecznych p Atnik
Weaknesses CWE-603
CPEs cpe:2.3:a:zak_ad_ubezpiecze_spo_ecznych:p_atnik:*:*:*:*:*:*:*:*
Vendors & Products Zak Ad Ubezpiecze Spo Ecznych
Zak Ad Ubezpiecze Spo Ecznych p Atnik
References
Metrics cvssV4_0

{'score': 8.6, 'vector': '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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
CERT-PL
Published
Updated
Nov 3, 2026, 9:13 AM
Reserved
Oct 15, 2026, 10:24 AM
Status
Deferred
Published
Oct 30, 2026, 12:16 PM
Modified
Nov 3, 2026, 10:17 AM