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One new rubyzip advisories + 9 new entries to rad-ignores.sh file #1236

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jasnow merged 2 commits into from
Sep 5, 2026
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One new rubyzip advisories + 9 new entries to rad-ignores.sh file #1236

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One new rubyzip advisories + 4 new entries to rad-ignores.sh file
jasnow Sep 4, 2026
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Five more ignore lines
jasnow Sep 4, 2026
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33 changes: 33 additions & 0 deletions gems/rubyzip/CVE-2026-85396.yml
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---
gem: rubyzip
cve: 2026-85396
ghsa: 47m2-wp7j-p9vc
url: https://nvd.nist.gov/vuln/detail/CVE-2026-85396
title: path traversal vulnerability in pre-3.4.0 rubyzip gem
date: 2026-09-03
description: |
rubyzip versions before 3.4.0 contain a path traversal vulnerability
in Zip::Entry#extract that fails to properly validate extraction
paths using prefix comparison without trailing separators. Attackers
can craft archive entries with names like ../upload_backup/owned.sh
to write files outside the intended extraction directory into
sibling paths sharing the destination prefix.
cvss_v3: 7.5
cvss_v4: 8.7
patched_versions:
- ">= 3.4.0"
related:
url:
- https://nvd.nist.gov/vuln/detail/CVE-2026-85396
- https://rubygems.org/gems/rubyzip/versions/3.4.0
- https://github.com/rubyzip/rubyzip/releases/tag/v3.4.0
- https://github.com/rubyzip/rubyzip/blob/v3.4.0/Changelog.md#340-2026-06-14
- https://github.com/rubyzip/rubyzip/commit/17edfbf4423b83211b075acc23a7d8640da63449
- https://github.com/rubyzip/rubyzip/blob/v3.3.1/lib/zip/entry.rb
- https://github.com/geo-chen/oss/blob/main/rubyzip.md
- https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-70673
- https://www.vulncheck.com/advisories/rubyzip-before-3.4.0-path-traversal-in-zip-entry-extract-via-sibling-directory-prefix
- https://github.com/advisories/GHSA-47m2-wp7j-p9vc
notes: |
- cvss_v4 from GHSA and nvd.nist.gov URLs.
- cvss_v3 from nvd.nist.gov URL.
13 changes: 13 additions & 0 deletions lib/rad-ignores.sh
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Expand Up @@ -285,3 +285,16 @@ rm -f gems/kobako/CVE-2026-55107.yml
# safemode | https://github.com/advisories/GHSA-8474-rc7c-wrhp (withdrawn)
# spree_auth_devise | https://github.com/advisories/GHSA-6mqr-q86q-6gwr (withdrawn)
# web-console | https://github.com/advisories/GHSA-82x2-g7vr-39wq (withdrawn)

# 9/4/2026: Use GHSA prefix over CVE.
rm -f gems/mail/CVE-2026-63435.yml
rm -f gems/nokogiri/CVE-2026-79770.yml
rm -f gems/nokogiri/CVE-2026-79771.yml
rm -f gems/nokogiri/CVE-2026-79772.yml

# 9/4/2026: More duplicates and withdrawns
# nokogiri | https://github.com/advisories/GHSA-5jhf-fpp7-v2pv (duplicate)
# nokogiri | https://github.com/advisories/GHSA-xqqh-3w52-q8p7 (duplicate)
# nokogiri | https://github.com/advisories/GHSA-rh9x-7xjc-vwx2 (duplicate)
# paperclip | https://github.com/advisories/GHSA-phmw-pv3f-vvx7 (withdrawn)
# sprockets | https://github.com/advisories/GHSA-r4x3-g983-9g48 (withdrawn)