Is CVE-2026-3381 actively exploited?

No active exploitation of CVE-2026-3381 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-3381 be exploited remotely?

Yes. CVE-2026-3381 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-3381?

CVE-2026-3381 has a CVSS score of 9.8 (CRITICAL).

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CRITICAL

CVE-2026-3381

Published: March 5, 2026· Updated: Mar 7, 2026

9.8

CVSS v3.1

EPSS:0.02%probability of exploitation in 30 daysPercentile:6.3th

Official Description

Compress::Raw::Zlib versions through 2.219 for Perl use potentially insecure versions of zlib.

Compress::Raw::Zlib includes a copy of the zlib library. Compress::Raw::Zlib version 2.220 includes zlib 1.3.2, which addresses findings fron the 7ASecurity audit of zlib. The includes fixs for CVE-2026-27171.

NVD Source

Technical Analysis

CVE-2026-3381 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 complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.