HOMEVULNERABILITIESCVE-2026-1584
HIGH

CVE-2026-1584

CWE-476Published: April 9, 2026· Updated: Apr 13, 2026

7.5
CVSS v3.1
EPSS:0.08%probability of exploitation in 30 daysPercentile:24.0th

Official Description

A flaw was found in gnutls. A remote, unauthenticated attacker can exploit this vulnerability by sending a specially crafted ClientHello message with an invalid Pre-Shared Key (PSK) binder value during the TLS handshake. This can lead to a NULL pointer dereference, causing the server to crash and resulting in a remote Denial of Service (DoS) condition.

NVD Source

Technical Analysis

CVE-2026-1584 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in availability disruption (denial of service), with a CVSS base score of 7.5.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityNone
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
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All References (2)

Quick Facts

CVE IDCVE-2026-1584
CVSS Score7.5 / 10
SeverityHIGH
WeaknessCWE-476
CISA KEVNo
EPSS (30d)0.08%
PublishedApr 9, 2026

Related CVEs (CWE-476)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2026-1584 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.