CVE-2026-25885 affects PolarLearn, an open-source learning program, specifically versions 0-PRERELEASE-16 and earlier. This vulnerability allows unauthenticated attackers to access and send messages to any group chat via the WebSocket at wss://polarlearn.nl/api/v1/ws. With a CVSS score of 7.5 (HIGH), the flaw presents a low-complexity network attack that can lead to high integrity impact by allowing unauthorized message injection into group chats. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion surrounding this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
Range not provided by sourceCPE matchmatch criteria | cpe:2.3:a:polarlearn:polarlearn:-:*:*:*:*:*:*:* |
CVSS version used by this source: 4.0
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:L/SC:H/SI:H/SA:L/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
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The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.