# \#flashbox **URL:** https://collective.flashbots.net/tag/flashbox/161.md [Latest](https://collective.flashbots.net/latest.md) · [Categories](https://collective.flashbots.net/categories.md) · [Tags](https://collective.flashbots.net/tags.md) --- ## [Flashbox Incident Report: April 30, 2026](https://collective.flashbots.net/t/flashbox-incident-report-april-30-2026/5686)
**Author:** [@Moe](https://collective.flashbots.net/u/Moe)\ **Replies:** 0\ **Last updated:** [April 30, 2026, 3:39pm UTC](https://collective.flashbots.net/t/flashbox-incident-report-april-30-2026/5686 "2026-04-30T15:39:55Z")
What happened On April 30 we identified that Flashbox images built before that date were running an unpatched Linux kernel affected by CVE-2026-31431 (copy.fail), publicly disclosed the day before. As a precaution, we pa…