Posts of last 24 hours
Citrix has patched two vulnerabilities in NetScaler ADC and NetScaler Gateway, including a critical authentication bypass flaw tracked as CVE-2026-19490, and is urging customers to upgrade affected appliances as soon as possible. “We strongly recommend that customers review the official NetScaler ADC and NetScaler Gateway security bulletin, assess whether their deployments are affected, and upgrade impacted appliances to the recommended builds as soon as possible,” Anil Shetty, senior VP of Engineering with Cloud Software Group … More →
The post Citrix urges customers to fix critical NetScaler authentication bypass (CVE-2026-19490) appeared first on Help Net Security.
https://www.helpnetsecurity.com/2026/08/21/citrix-netscaler-gateway-cve-2026-19490/
PurpleDelta欺诈性就业行动：朝鲜IT工人渗透西方企业的完整分析；PATCHCORD：针对阿富汗电信和南亚关键基础设施的APT36新型恶意软件家族；Armored Likho部署Still Toolkit新型间谍工具集
https://mp.weixin.qq.com/s?__biz=MzI2MDc2MDA4OA==&mid=2247519957&idx=2&sn=aafeada85716143c834687ec457e4034
2026年8月20日，arrayref维护者账号被盗，攻击者发布构建时恶意载荷。开发者甚至不需要运行程序，只要 cargo build 一次，恶意代码就已在本机执行。
https://mp.weixin.qq.com/s?__biz=MzI2MDc2MDA4OA==&mid=2247519957&idx=1&sn=b666c8c8fef193b22443d9861d95d60c
AI与云安全事件案例分析周报｜2026.08.17 - 2026.08.21
https://mp.weixin.qq.com/s?__biz=MzIyODYzNTU2OA==&mid=2247500228&idx=1&sn=5a4c60d70f5f377f8eb3ce4961b91b8b
A vulnerability, which was classified as problematic, has been found in Microsoft Windows. This affects an unknown part of the component Diagnostics Hub Standard Collector. This manipulation causes improper privilege management.
This vulnerability is tracked as CVE-2021-42277. The attack is possible to be carried out remotely. No exploit exists.
Applying a patch is the recommended action to fix this issue.
https://vuldb.com/vuln/186398
A vulnerability has been found in Microsoft Windows and classified as problematic. This issue affects some unknown processing of the component Chakra Scripting Engine. Performing a manipulation results in out-of-bounds write.
This vulnerability is cataloged as CVE-2021-42279. It is possible to initiate the attack remotely. There is no exploit available.
It is recommended to apply a patch to fix this issue.
https://vuldb.com/vuln/186400
A vulnerability was found in Microsoft Windows and classified as critical. Impacted is an unknown function of the component Feedback Hub. Executing a manipulation can lead to improper privilege management.
This vulnerability is registered as CVE-2021-42280. It is possible to launch the attack remotely. No exploit is available.
Applying a patch is advised to resolve this issue.
https://vuldb.com/vuln/186401
A vulnerability was found in Microsoft Windows. It has been classified as critical. The affected element is an unknown function of the component Active Directory Domain Services. The manipulation leads to improper privilege management.
This vulnerability is documented as CVE-2021-42282. The attack can be initiated remotely. There is not any exploit available.
It is suggested to install a patch to address this issue.
https://vuldb.com/vuln/186402
A vulnerability was found in Microsoft Windows. It has been declared as very critical. The impacted element is an unknown function of the component NTFS. The manipulation results in improper privilege management.
This vulnerability is reported as CVE-2021-42283. The attack can be launched remotely. No exploit exists.
A patch should be applied to remediate this issue.
https://vuldb.com/vuln/186403
A vulnerability was found in Microsoft Windows. It has been rated as critical. This affects an unknown function of the component Hyper-V. This manipulation causes denial of service.
This vulnerability appears as CVE-2021-42284. The attacker needs to be present on the local network. There is no available exploit.
To fix this issue, it is recommended to deploy a patch.
https://vuldb.com/vuln/186404