Is CVE-2026-42571 actively exploited?

No active exploitation of CVE-2026-42571 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-42571 be exploited remotely?

Yes. CVE-2026-42571 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-42571?

CVE-2026-42571 has a CVSS score of 9.0 (CRITICAL).

HOME VULNERABILITIESCVE-2026-42571

CRITICAL

CVE-2026-42571

CWE-863Published: May 9, 2026· Updated: May 13, 2026

9.0

CVSS v3.1

EPSS:0.04%probability of exploitation in 30 daysPercentile:11.5th

Official Description

Pelican is a platform for creating data federations. From versions 7.21.0 to before 7.21.5, 7.22.0 to before 7.22.3, 7.23.0 to before 7.23.3, and 7.24.0 to before 7.24.2, there is a a privilege escalation vulnerability affecting Pelican's Web User Interface (WebUI). This attack allows any user authenticated to the WebUI via OAuth to gain admin privileges under certain configurations. This issue has been patched in versions 7.21.5, 7.22.3, 7.23.3, and 7.24.2.

NVD Source

Technical Analysis

CVE-2026-42571 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

CVSS v3.1 Vector Breakdown

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges Req.Low

User InteractionNone

ScopeX

Impact

Confidentiality

Integrity

Availability

CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X