set-in vulnerabilities and fixes

Recent CVEs affecting set-in, with upgrade or downgrade steps. 1 tracked.

Also searched as: set in.

set-in has 1 tracked vulnerability, 1 critical. A fixed release or vendor patch exists for 1. Most recent: 2026-02-11. Highest priority: CVE-2026-26021 (score 56/100).

• CVE-2026-26021 CRITICAL 9.8 UPGRADE set-in provides the set value of nested associative structure given array of keys

FAQ

How do I fix set-in vulnerabilities?

Open the CVE for your version, check the affected range, then follow the listed action: upgrade to the fixed release, or downgrade or mitigate if no fix exists yet. Commands for each OS are shown on every CVE page.

Is set-in being exploited right now?

None of the tracked set-in CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.

Which set-in CVE should I patch first?

CVE-2026-26021 currently ranks highest (56/100): set-in provides the set value of nested associative structure given array of keys.

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