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Fencer Vulns
low 2.0

CVE-2026-1703 json

Limited path traversal when installing wheel archives

published 2026-02-02 9 mo ago modified 2026-09-10 1 mo ago also EUVD-2026-5106 , GHSA-6vgw-5pg2-w6jp , PYSEC-2026-1796

cvss
2.0
version 4.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.4%
EPSS 0.4% chance of exploitation in 30 days, percentile 38%
public exploits
0
none known

Summary

When pip is installing and extracting a maliciously crafted wheel archive, files may be extracted outside the installation directory. The path traversal is limited to prefixes of the installation directory, thus isn't able to inject or overwrite executable files in typical situations.

Patch / fix

  • pypi pip 26.0
  • Python Packaging Authority pip 26.0
  • python-pip Debian 14 26.0+dfsg-1

debian advisories DEBIAN-CVE-2026-1703

  • python-pip hummingbird 1 26.0.1-2.1.hum1
  • python-pip-wheel hummingbird 1 26.0.1-2.1.hum1

red hat advisories RHSA-2026:7610

  • python3 SLES for SAP 15 SP6, SLES for SAP 15 SP5, SLES for SAP 15 SP4 +11 more 3.6.15-150300.10.129.1
  • python3-core SLES for SAP 15 SP6, SLES for SAP 15 SP5, SLES for SAP 15 SP4 +12 more 3.6.15-150300.10.129.1
  • grafana Multi Linux Manager Tools SLE-15 12.4.10-150002.4.27.1
  • mgr-push Multi Linux Manager Tools SLE-15 5.2.5-150002.3.12.1
  • spacecmd Multi Linux Manager Tools SLE-15 5.2.10-150002.3.15.1
  • uyuni-tools Multi Linux Manager Tools SLE-Micro-5, Multi Linux Manager Tools SLE-15 5.2.17-150002.3.20.1
  • venv-salt-minion Multi Linux Manager Tools SLE-Micro-5, Multi Linux Manager Tools SLE-15 3006.0-150002.5.22.1
  • spacewalk-client-tools Multi Linux Manager Tools SLE-15 5.2.7-150002.3.12.1

suse advisories SUSE-SU-2026:4754-1SUSE-SU-2026:4743-1SUSE-SU-2026:4585-1SUSE-SU-2026:4584-1SUSE-SU-2026:4583-1SUSE-SU-2026:4582-1

  • python310 openSUSE Tumbleweed 3.10.20-10.1
  • python-pip openSUSE Tumbleweed 26.0.1-1.1
  • python-pip openSUSE Leap 16.0 25.0.1-160000.3.1

opensuse advisories openSUSE-SU-2026:11690-1openSUSE-SU-2026:10210-1openSUSE-SU-2026:20202-1

  • python-pip Azure Linux 3.0 24.2-6
  • python-virtualenv Azure Linux 3.0 20.36.1-2

azure linux advisories AZL-76593AZL-77910

Azure Linux vulnerability data, Copyright (c) Microsoft Corporation, from https://github.com/microsoft/AzureLinuxVulnerabilityData via OSV, under the MIT licence; changed: normalised to fixed package versions per release. MIT

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2026-1703 updated cvss 3.9

pip: pip: Information disclosure via path traversal when installing crafted wheel archives

  • Red Hat Lightspeed Core lightspeed-core/lightspeed-stack-rhel9, lightspeed-core/dataverse-exporter-rhel9 Red Hat Logging Subsystem for Red Hat OpenShift openshift-logging/logging-curator5-rhel9 Red Hat Migration Toolkit for Virtualization mtv-candidate/mtv-rhel9-operator, migration-toolkit-virtualization/mtv-rhel9-operator Red Hat OpenShift Lightspeed openshift-lightspeed/lightspeed-to-dataverse-exporter-rhel9 Red Hat OpenShift Service Mesh 3 openshift-service-mesh/kiali-rhel9-operator Red Hat Pen Drive Powered by Red Hat Lightspeed pen-drive/pen-drive-scanner-rhel9
    +4 more products
    Red Hat AI Inference Server rhaiis/vllm-tpu-rhel9, rhaiis/vllm-cuda-rhel9, rhaiis/vllm-rocm-rhel9, rhai/docling-cuda-rhel9, rhaiis/vllm-spyre-rhel9, rhai/base-image-cpu-rhel9, +4 more Red Hat Ansible Automation Platform 2 automation-controller, ansible-automation-platform-26/gateway-rhel9, ansible-automation-platform-24/controller-rhel8, ansible-automation-platform-25/controller-rhel8, ansible-automation-platform-26/controller-rhel9, ansible-automation-platform-26/de-minimal-rhel9, +9 more Red Hat Discovery 2 discovery/discovery-server-rhel9 Red Hat Enterprise Linux 8 ubi8/python-36, ubi8/python-39, rhel8/python-36, rhel8/python-39, ubi8/python-311, ubi8/python-312, +2 more
    affected: workaround, no fix available “Fix deferred”
  • Red Hat Enterprise Linux 9 ubi9/python-39, rhel9/python-39, ubi9/python-311, ubi9/python-312, rhel9/python-311, rhel9/python-312, +2 more
    affected: workaround, no fix planned “Out of support scope”
  • Red Hat Enterprise Linux 10 ubi10/python-312-minimal, rhel10/python-312-minimal Red Hat Enterprise Linux AI (RHEL AI) 3 rhelai3/bootc-cuda-rhel9, rhelai3/bootc-aws-cuda-rhel9, rhelai3/bootc-gcp-cuda-rhel9, rhelai3/disk-image-cuda-rhel9, rhelai3/bootc-azure-cuda-rhel9 Red Hat OpenShift AI (RHOAI) rhoai/odh-vllm-cpu-rhel9, rhoai/odh-vllm-cuda-rhel9, rhoai/odh-vllm-rocm-rhel9, rhoai/odh-caikit-nlp-rhel9, rhoai/odh-vllm-gaudi-rhel9, rhoai/odh-ta-lmes-job-rhel9, +34 more Red Hat OpenShift Container Platform 4 openshift4/ose-ansible-rhel9-operator, openshift4/ose-dpu-intel-ipu-p4sdk-rhel9 Red Hat OpenShift Dev Spaces devspaces/udi-rhel9, devspaces/udi-base-rhel9, devspaces/udi-base-rhel10 Red Hat Quay 3 quay/quay-rhel8, quay/quay-rhel9
    +3 more products
    Red Hat Satellite 6 satellite/foreman-mcp-server-rhel9, satellite/iop-advisor-engine-rhel9, satellite/iop-advisor-backend-rhel9 Red Hat Trusted Artifact Signer rhtas/segment-reporting-rhel9, rhtas/model-transparency-rhel9 Red Hat Service Telemetry Framework 1.5 stf/smart-gateway-rhel9-operator, stf/prometheus-webhook-snmp-rhel8, stf/prometheus-webhook-snmp-rhel9, stf/service-telemetry-rhel9-operator
    affected: workaround, no fix available “Fix deferred”
  • Red Hat Hardened Images python-pip 26.0.1-2.1.hum1, python-pip-wheel 26.0.1-2.1.hum1
    fixed: vendor fix RHSA-2026:7610
  • Red Hat OpenShift AI 3.0 rhai/base-image-cpu-rhel9 1793042072, rhai/base-image-cpu-rhel9 1793329709, rhai/base-image-cuda-rhel9 1793042067, rhai/base-image-cuda-rhel9 1793328358, rhai/base-image-rocm-rhel9 1793041981
    fixed: vendor fix RHSA-2026:94459
  • Red Hat Hardened Images python3-pip 26.0.1-2.1.hum1
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
9 mo ago

Exploit prediction

0.44% chance of exploitation in the next 30 days, higher than 38% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 4.0 2.0 CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:A/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
CNA 4.0 2.0 CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:A/VC:N/VI:L/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

Affected packages

ecosystem package affected fixed in
pypi pip
<26.0
26.0

Affected products

  • Python Packaging Authority pip

Classification

Weakness
  • CWE-22 Improper Limitation of a Pathname to a Restricted Directory

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.