Vulnerability · Published Feb 5, 2026 · Assigned by CERT-PL

CVE-2026-23796Session Fixation in Quick.Cart

Medium 4.8

In plain English

A medium-severity session fixation in Quick.Cart from OpenSolution. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 24% of all known vulnerabilities).

Severity (CVSS 4.0)4.8Medium

Exploit odds (30 days)0.3%top 76.3% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

Quick.Cart allows a user's session identifier to be set before authentication. The value of this session ID stays the same after authentication. This behaviour enables an attacker to fix a session ID for a victim and later hijack the authenticated session. The vendor was notified early about this vulnerability, but didn't respond with the details of vulnerability or vulnerable version range. Only version 6.7 was tested and confirmed as vulnerable, other versions were not tested and might also be vulnerable.

Affected products (as reported)

Vendor	Product	Versions
OpenSolution	Quick.Cart	6.7

Weakness: CWE-384 · Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N

References

https://opensolution.org/sklep-internetowy-quick-cart.html product
https://cert.pl/posts/2026/02/CVE-2026-23796 third-party-advisory