Privilege escalation in Miroslavpejic85 Mirotalk P2p
CVE-2026-121539
A vulnerability was found in miroslavpejic85 MiroTalk P2P up to 2.0.87/2.1.38. Affected by this issue is the function CheckPassword of the file app/src/server.js of the component Socket IO Handler. Performing a manipulation of the argument peer_id results in improper access controls. It is possible to initiate the attack remotely. Upgrading to version 2.1.39 can resolve this issue. The patch is named 4e40471abc48bfc32b4b174b8844716dfc5c1471. You should upgrade the affected component.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
- Miroslavpejic85 Mirotalk P2p — versions 2.0.0, 2.0.1, 2.0.10
Weakness classification (CWE)
References
- vuldb.com/vuln/430300 (technical-description, vdb-entry)
- vuldb.com/vuln/430300/cti (signature, permissions-required)
- vuldb.com/cve/CVE-2026-121539 (third-party-advisory)
- vuldb.com/submit/1019996 (third-party-advisory)
- github.com/waterhunter2000-svg/vulnerability-reports (related)
- github.com/miroslavpejic85/mirotalk/commit/4e40471abc48bfc32b4b174b8844716dfc5c… (patch)
Frequently asked questions
- What is CVE-2026-121539?
- CVE-2026-121539 is a medium-severity vulnerability in Miroslavpejic85 Mirotalk P2p, classified under Incorrect Privilege Assignment. CVSS score: 6.3/10. Published 2026-11-03.
- How severe is CVE-2026-121539?
- Medium severity. CVSS v3 base score is 6.3 out of 10.