Digest · Friday
Security digest: May 22, 2026
1 known exploited (cisa kev) addition and 3 critical advisories.
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Take stock
- Do you run any of these? Drupal Core. They are being exploited in the wild (CISA KEV). Patch or mitigate if you do; CISA’s federal deadline is 2026-05-27.
- Go: 2 critical advisories (
github.com/gtsteffaniak/filebrowser/backend,github.com/nezhahq/nezha). Check withgovulncheck ./.... - Composer (PHP): 1 critical advisory (
yeswiki/yeswiki). Check withcomposer audit. - None of it touches your stack? Then there is nothing to do today. That is a result, not a failure to read carefully.
Known exploited (CISA KEV) 1
Added to CISA’s catalog on this day: confirmed exploitation in the wild. Due date = CISA’s deadline for US federal agencies.
| CVE | Product and flaw | CISA due |
|---|---|---|
| CVE-2026-9082 | Drupal Core Drupal Core SQL Injection Vulnerability | 2026-05-27 |
Critical advisories by ecosystem 3
GitHub-reviewed advisories rated critical, published this day (Pacific time).
Go 2
Check: govulncheck ./...
- FileBrowser Quantum: Path traversal in public share PATCH allows file ops outside shared directory CVE-2026-48777 CVSS 9.3 Critical
github.com/gtsteffaniak/filebrowser/backend< 0.0.0-20260518193514-28e9b81e438e → fixed in 0.0.0-20260518193514-28e9b81e438e - Nezha Monitoring: RoleMember can run shell on every server (cross-tenant RCE) via POST /api/v1/cron CVE-2026-46716 CVSS 9.9 Critical
github.com/nezhahq/nezha>= 1.4.0, < 1.14.15-0.20260517022419-d7526351cf97 → fixed in 1.14.15-0.20260517022419-d7526351cf97
Composer (PHP) 1
Check: composer audit
- YesWiki: Unauthenticated SQL Injection CVE-2026-46670 CVSS 9.8 Critical
yeswiki/yeswiki< 4.6.4 → fixed in 4.6.4