Cyber Resilience

CVE-2026-56141

Critical

Published: 19 June 2026

Published
19 June 2026
Modified
26 June 2026
KEV Added
—
Patch
—
CVSS Score v3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0037 28.5th percentile
Risk Priority 70 floored blend · peak EPSS

Summary

CVE-2026-56141 is a critical-severity PRNG (CWE-338) vulnerability in Jetbrains Hub. Its CVSS base score is 9.8 (Critical).

Operationally, exploitation aligns with the MITRE ATT&CK technique Valid Accounts (T1078); ranked at the 28.5th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

OWASP Top 10 for Web (2025)

A04:2025 Cryptographic Failures

EU & UK References

Vulnerability details

In JetBrains Hub before 2026.1.13757, 2025.3.148033, 2025.2.148048, 2025.1.148120, 2024.3.148430, 2024.2.148429 account takeover via predictable restore codes was possible

CWE(s)
CWE-338

Related Threats

MITRE ATT&CK Enterprise TechniquesAI

T1078 Valid Accounts Stealth
Adversaries may obtain and abuse credentials of existing accounts as a means of gaining Initial Access, Persistence, Privilege Escalation, or Defense Evasion.
attack.mitre.org →
T1190 Exploit Public-Facing Application Initial Access
Adversaries may attempt to exploit a weakness in an Internet-facing host or system to initially access a network.
attack.mitre.org →
Why these techniques?

Predictable restore codes directly enable unauthorized account access (T1078 Valid Accounts); the flaw exists in a public-facing auth service (T1190 Exploit Public-Facing Application).

Confidence: HIGH · MITRE ATT&CK Enterprise v19.0

Affected Assets

jetbrains
hub
2024.2.33606 — 2024.2.148429 · 2024.3.44799 — 2024.3.148430 · 2025.1.62455 — 2025.1.148120

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

AT-5 Contacts with Security Groups and Associations
addresses: CWE-338

Security associations share details on cryptographically weak PRNGs, helping avoid their implementation in security-critical functions.

SC-12 Cryptographic Key Establishment and Management
addresses: CWE-338

Cryptographic key management standards require cryptographically strong PRNGs for key material, blocking use of weak generators.

References