Is CVE-2026-34591 actively exploited?

No active exploitation of CVE-2026-34591 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-34591 be exploited remotely?

Yes. CVE-2026-34591 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-34591?

CVE-2026-34591 has a CVSS score of 7.1 (HIGH).

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HIGH

CVE-2026-34591

CWE-22Published: April 2, 2026· Updated: Apr 3, 2026

7.1

CVSS v3.1

EPSS:0.10%probability of exploitation in 30 daysPercentile:26.5th

Official Description

Poetry is a dependency manager for Python. From version 1.4.0 to before version 2.3.3, a crafted wheel can contain ../ paths that Poetry writes to disk without containment checks, allowing arbitrary file write with the privileges of the Poetry process. It is reachable from untrusted package artifacts during normal install flows. (Normally, installing a malicious wheel is not sufficient for execution of malicious code. Malicious code will only be executed after installation if the malicious package is imported or invoked by the user.). This issue has been patched in version 2.3.3.

NVD Source

Technical Analysis

CVE-2026-34591 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation does not require any privileges, though user interaction (P) is needed, which slightly reduces the risk of mass automated attacks.

CVSS v3.1 Vector Breakdown

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges Req.None

User InteractionP

ScopeX

Impact

Confidentiality

Integrity

Availability

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/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