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01 Record

CVE-2026-43965

Path Traversal in build/packages/packages.toml Allows Arbitrary Directory Deletion

MediumPUBLISHEDCNA: EEF
CNA base score5.6 CVSS v4.0CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
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02 Description

Path Traversal in build/packages/packages.toml Allows Arbitrary Directory Deletion

03 Exploitation and scoring

Exploitation
Public exploit code exists. CISA's assessment records a public proof of concept. That is not a report of exploitation in the wild.
SSVC decision
  • ExploitationpocPublic proof-of-concept exploit code exists. Not a report of exploitation in the wild.
  • AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
  • Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.
CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.
EPSS probability
0.22% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 13.5% of scored records. A rank, not a probability.
NVD base score
5.6 (CVSS v4.0), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:A/VC:N/VI:N/VA:H/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
NVD analysis status
Deferred. NVD last modified this record on 2026-10-06.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2026-06-02 13:41Z4 MO AGO
Last updated
2026-09-08 01:05Z1 MO AGO
Reserved
2026-05-04
Assigning CNA
EEF
Record state
PUBLISHED
Severity
Medium (CVSS 5.6)
CNA CVSS vector
CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Weaknesses
  • CWE-22Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')Base
Data version
5.2
Document digest
6743266d9dbac54e27fd1f67c2d5246c7ab62d5c1ff98e017d4b55277c10a6ae

05 Affected products

VendorProductVersionsPlatforms
GleamGleam0.18.0-rc1 to < 1.17.0, ed7aec0484f10d60978b63788c8a6497590855ab to < 690ca069817bee5f77a28fc3e360627c1da19291, v0.18.0-rc1-elixir to < v1.17.0-elixir, v0.18.0-rc1-erlang to < v1.17.0-erlang, v0.18.0-rc1-node to < v1.17.0-node, v0.18.0-rc1-node-slim to < v1.17.0-node-slim, v0.18.0-rc1-elixir-slim to < v1.17.0-elixir-slim, v0.18.0-rc1-erlang-slim to < v1.17.0-erlang-slim, v0.18.0-rc1-erlang-alpine to < v1.17.0-erlang-alpine, v0.18.0-rc1-elixir-alpine to < v1.17.0-elixir-alpine, v0.18.0-rc1-node-alpine to < v1.17.0-node-alpine, v0.18.0-rc1-scratch to < v1.17.0-scratch—

06 References