Is CVE-2026-27585 actively exploited?

A proof-of-concept exploit is publicly available for CVE-2026-27585, but active exploitation has not been confirmed.

Can CVE-2026-27585 be exploited remotely?

Yes. CVE-2026-27585 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-27585?

CVE-2026-27585 has a CVSS score of 6.5 (MEDIUM) and an EPSS exploitation probability of 0.06%.

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MEDIUMPOC

CVE-2026-27585

CWE-20Published: February 24, 2026· Updated: Feb 25, 2026

6.5

CVSS v3.1

EPSS:0.06%probability of exploitation in 30 daysPercentile:18.7th

Official Description

Caddy is an extensible server platform that uses TLS by default. Prior to version 2.11.1, the path sanitization routine in file matcher doesn't sanitize backslashes which can lead to bypassing path related security protections. It affects users with specific Caddy and environment configurations. Version 2.11.1 fixes the issue.

NVD Source

Technical Analysis

CVE-2026-27585 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 proof-of-concept (PoC) exploit exists for CVE-2026-27585. While not yet confirmed in active campaigns, the availability of PoC code increases exploitation risk substantially.