CVE-2026-121539
miroslavpejic85 MiroTalk P2P Socket I/O server.js CheckPassword access control
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- Low
Exploit likelihood
What each source reports
CVE List Score used
5.3
miroslavpejic85 MiroTalk P2P Socket I/O server.js CheckPassword access control
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.
- Record
CVE-2026-121539- CVSS 4.0
- 5.3 Medium
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X - CVSS 3.1
- 6.3 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:X/RL:O/RC:C - CVSS 3.0
- 6.3 Medium
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:X/RL:O/RC:C - CVSS 2.0
- 6.5
AV:N/AC:L/Au:S/C:P/I:P/A:P/E:ND/RL:OF/RC:C - Weakness
- CWE-284, CWE-266
- Updated
- 2026-11-07
EUVDEUVD-2026-116579
5.3
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.
- Record
EUVD-2026-116579- CVSS 4.0
- 5.3 Medium
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X - Updated
- 2026-11-07
GitHub AdvisoriesGHSA-9424-gw4p-87w3
5.3
A vulnerability was found in miroslavpejic85 MiroTalk P2P up to 2.0.87/2.1.38. Affected by this...
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.
- Record
GHSA-9424-gw4p-87w3- CVSS 4.0
- 5.3 Medium
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/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 - CVSS 3.1
- 6.3 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L - Weakness
- CWE-266
- Updated
- 2026-11-04
NVD
5.3
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.
- Record
CVE-2026-121539- CVSS 4.0
- 5.3 Medium
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/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 - CVSS 3.1
- 6.3 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L - CVSS 2.0
- 6.5 Medium
AV:N/AC:L/Au:S/C:P/I:P/A:P - Weakness
- CWE-266, CWE-284
- Updated
- 2026-11-07
OSV
5.3
miroslavpejic85 MiroTalk P2P Socket I/O server.js CheckPassword access control
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.
- Record
CVE-2026-121539- CVSS 4.0
- 5.3 Medium
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X - Weakness
- CWE-266, CWE-284
- Updated
- 2026-11-05
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| published | CVE List, EUVD, OSV | |
| references | OSV | |
| published | EUVD, NVD | |
| aliases, published, references | EUVD, GitHub Advisories | |
| first indexed | CVE List |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-121539 is a medium vulnerability (CVSS 5.3) in Miroslavpejic85 Mirotalk P2p, published November 3, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.21%, the 11th percentile. No source names a fixed version.
References
vuldb.com/vuln/430300
vuldb.com/vuln/430300/cti
vuldb.com/cve/CVE-2026-121539
vuldb.com/submit/1019996
github.com/waterhunter2000-svg/vulnerability-reports
github.com/miroslavpejic85/mirotalk/commit/4e40471abc48bfc32b4b174b8844716dfc5c1471
nvd.nist.gov/vuln/detail/CVE-2026-121539
github.com/advisories/GHSA-9424-gw4p-87w3
github.com/CVEProject/cvelistV5/tree/main/cves/2026/121xxx/CVE-2026-121539.json