[stable5.10] Fix npm audit

[nextcloud-command]

Audit report

No fixable problems found (3 unfixable, 24 only fixable manually using --force)

[ChristophWurst]

@coderabbitai review and try to spot any critical updates, the "No fixable problems found" is a bit suspicious

[coderabbitai]

🧩 Analysis chain

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#!/bin/bash
set -euo pipefail

gh pr view 13288 --repo nextcloud/mail --json title,body,files,additions,deletions,commits | jq '.'
echo "-----DIFF STAT-----"
gh pr diff 13288 --repo nextcloud/mail | head -c 200
echo "-----FULL FILE LIST-----"
gh pr view 13288 --repo nextcloud/mail --json files --jq '.files[].path'

Length of output: 1582

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#!/bin/bash
set -euo pipefail
gh pr diff 13288 --repo nextcloud/mail

Length of output: 4237

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set -euo pipefail
git fetch origin pull/13288/head:pr13288 2>&1 | tail -5 || true
git checkout pr13288 2>&1 | tail -5 || true
echo "----dompurify entries----"
rg -n '"dompurify"' package-lock.json -A3 | head -50
echo "----node_modules/dompurify block----"
rg -n 'node_modules/dompurify"' package-lock.json -A5

Length of output: 1435

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GHSA advisory linkifyjs 4.3.2 vulnerability npm

Length of output: 5660

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GHSA advisory tabbable 6.4.0 vulnerability npm

Length of output: 4574

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npm audit dompurify unfixable 3 vulnerabilities nextcloud mail known issues

Length of output: 18767

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linkifyjs 4.3.3 changelog release notes github

Length of output: 3564

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Good, that confirms 4.3.3 is a non-security bugfix release (parsing fixes only), not a further CVE fix.

@ChristophWurst I've dug into the actual package-lock.json diff — here's the summary of what changed:

Real dependency updates (5 lines resolved/version bumped):

1. @nextcloud/vue 8.39.0 → 8.40.0 — pulls in the requirement bumps below.
2. linkifyjs / linkify-string 4.3.2 → 4.3.3 — this is a follow-up bugfix release (parsing fixes for special encoded URLs, email port-number handling, stricter version pinning between linkify core/plugins). The actual security fix (CVE-2025-8101, prototype-pollution → stored/reflected XSS, GHSA-95jq-xph2-cx9h) was already patched in 4.3.2, which was already in your lockfile before this PR. So no new CVE is being closed here — 4.3.3 is just hygiene.
3. tabbable 6.4.0 → 6.5.0 — no known CVEs against tabbable in the OSV/Snyk/GitHub advisory databases; this looks like a minor feature/compat release (re-enabling CSS :inert selector matching for JSDOM ≥26).
4. dompurify requirement string ^3.4.2 → ^3.4.11 in @nextcloud/vue's manifest — but the installed dompurify was already resolved to 3.4.11 in your lockfile prior to this PR (from earlier PRs #13043/fix(deps): bump dompurify from ^3.4.2 to v3.4.11 (stable5.9) #13092/fix(deps): bump dompurify from ^3.4.8 to v3.4.11 (main) #13122), which already covers CVE-2025-26791 (mXSS) and the more recent setConfig()/ALLOWED_ATTR pollution issue. So this is just tightening the declared range to match what's already installed — not an actual version bump.

Why "No fixable problems found" is not actually suspicious here:
npm audit classifies advisories as auto-fixable only when a compatible in-range bump exists. Since the transitively-vulnerable packages (dompurify, linkifyjs) were already at their patched versions from prior maintenance PRs, and the 3 "unfixable" + 24 "manual --force" entries are almost certainly deep transitive dev-dependencies (build tooling) that would require breaking major version bumps to resolve — npm audit correctly reports nothing left to auto-fix. This PR is essentially just reconciling package-lock.json metadata/requirement strings with the already-patched tree, plus one real (non-security) bump to @nextcloud/vue/tabbable.

Bottom line: I don't see any critical/security-relevant version bump being introduced by this diff that isn't already covered. If you want, I can pull the actual list of the "3 unfixable" and "24 manual" advisories by running npm audit --json against this branch's lockfile so you can see exactly which packages they refer to — let me know and I can walk through gathering that (would need network access to npm registry from the sandbox, which may not be available; alternatively you can paste the npm audit JSON output here and I'll analyze it).

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