Is CVE-2026-43930 actively exploited?

No active exploitation of CVE-2026-43930 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-43930 be exploited remotely?

Yes. CVE-2026-43930 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-43930?

CVE-2026-43930 has a CVSS score of 2.1 (LOW).

HOME VULNERABILITIESCVE-2026-43930

LOW

CVE-2026-43930

CWE-362Published: May 12, 2026· Updated: May 13, 2026

2.1

CVSS v3.1

EPSS:0.03%probability of exploitation in 30 daysPercentile:9.8th

Official Description

Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to 8.6.76 and 9.9.0-alpha.2, a race condition in the MFA SMS one-time password (OTP) login path allows two concurrent /login requests carrying the same OTP to both succeed and both receive valid session tokens, breaking the single-use property of the OTP. The vulnerability requires the attacker to already possess the victim's password and intercept the active SMS OTP (e.g. via SIM swap, network mirror, or phishing relay) and to race the legitimate login request, so the practical attack surface is narrow. This vulnerability is fixed in 8.6.76 and 9.9.0-alpha.2.

NVD Source

Technical Analysis

CVE-2026-43930 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires high privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

CVSS v3.1 Vector Breakdown

Exploitability

Attack VectorNetwork

Attack ComplexityHigh

Privileges Req.High

User InteractionNone

ScopeX

Impact

Confidentiality

Integrity

Availability

CVSS:4.0/AV:N/AC:H/AT:N/PR:H/UI:N/VC:N/VI:L/VA:N/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