Is CVE-2026-2588 actively exploited?

No active exploitation of CVE-2026-2588 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-2588 be exploited remotely?

Yes. CVE-2026-2588 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-2588?

CVE-2026-2588 has a CVSS score of 9.1 (CRITICAL) and an EPSS exploitation probability of 0.04%.

HOME VULNERABILITIESCVE-2026-2588

CRITICAL

CVE-2026-2588

CWE-190Published: February 23, 2026· Updated: Feb 23, 2026

9.1

CVSS v3.1

EPSS:0.04%probability of exploitation in 30 daysPercentile:11.2th

Official Description

Crypt::NaCl::Sodium versions through 2.001 for Perl has an integer overflow flaw on 32-bit systems.

Sodium.xs casts a STRLEN (size_t) to unsigned long long when passing a length pointer to libsodium functions. On 32-bit systems size_t is typically 32-bits while an unsigned long long is at least 64-bits.

NVD Source

Technical Analysis

CVE-2026-2588 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 full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.1.