ExploitPublished 25 Sep 2026

Kiteworks urges 6-hour server shutdown over potential zero-day attacks

Source Bleeping Computer

Severity

High

Rated High by Threat Radar from the Bleeping Computer text

Data as of 28 Sep 2026, 04:42 UTC

zero-day

What to do

AI-suggested

Kiteworks recommends a temporary six-hour server shutdown to mitigate the risk of the potential zero-day attack. No patches or fixes have been announced. Customers should follow the vendor's guidance and monitor official communications for updates.

Description

Secure file-sharing software company Kiteworks is urging customers worldwide to temporarily shut down their servers on Saturday for a six-hour window after receiving threat intelligence warning of a potentially imminent cyberattack. [...]

Impact

The potential impact involves exposure to a zero-day vulnerability that could be exploited to compromise Kiteworks servers. However, no confirmed exploitation or active attacks have been reported. The advisory implies a risk of significant impact if the zero-day is exploited, but details remain undisclosed.

Summary

Kiteworks has issued a global advisory urging customers to temporarily shut down their servers for six hours following receipt of threat intelligence about a possible imminent zero-day attack targeting their software. No specific technical details, affected versions, or confirmed exploits in the wild have been disclosed. The advisory is a proactive measure to reduce exposure during the threat window.

References

bleepingcomputer.com/news/security/kiteworks-urges-6-hour-server-shutdown-over-potential-zero-day-attacks/ (opens in a new tab)

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Description

AI analysisMachine-generated, updated 25 Sep 2026, 22:02 UTC

References

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