Vulnerability · Published Oct 30, 2026 · Assigned by CERT-PL
CVE-2026-110971Weak password encoding in Płatnik
High 7.7
In plain English
A high-severity security flaw in Płatnik from Zakład Ubezpieczeń Społecznych. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 6% of all known vulnerabilities).
Severity (CVSS 4.0)7.7High
Exploit odds (30 days)0.2%top 93.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Use of a weak password encoding algorithm in Płatnik software allows a user who obtains encoded password to easily decode it. This issue was fixed in metric 334 in version 10.02.002.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Zakład Ubezpieczeń Społecznych | Płatnik | 0 – through 10.02.002 |
Weakness: CWE-261 · Vector: CVSS:4.0/AV:A/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
References
- https://cert.pl/posts/2026/10/CVE-2026-110970 third-party-advisory
- https://www.zus.pl/firmy/program-platnik/o-programie-platnik product