Public vulnerability disclosure

CVE-2026-110970

Lack of traffic encryption in Płatnik

publishedCWE-1428

Płatnik uses HTTP protocol to download updates, libraries and support files. It allows an attacker to conduct a Man-In-The-Middle attack, obtain transmitted data and replace the original files with their own. This issue was fixed in metric 242 in version 10.02.002.

Investigate in Cyber JSON Markdown

Technical severity2.3 lowCVSS 4.0 · CNA: CERT-PL

Published2026-10-30Source updated 2026-11-02

Collected2026-11-022 attributed sources

Fixes and workarounds

No remediation reported in collected sources.

Missing remediation information is not evidence that no patch exists.

Affected products and versions

Affected products, source version ranges and reporting authorities
Product	Versions	Authority
Płatnik Zakład Ubezpieczeń Społecznych	≥ 0; ≤ 10.02.002 (affected, custom); unaffected at metric 242 Other versions: unaffected	CNA: CERT-PL

Version ranges are source assertions. Check the vendor advisory and your installed configuration before determining exposure.

CVSS assessments

CVSS scores, vectors and reporting authorities
Version / score	Vector	Authority
4.0 / 2.3 low	`CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N`	CNA: CERT-PL

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