CVE-2026-82234 SiYuan before v3.8.1 SSRF via DNS-Rebinding TOCTOU

SiYuan versions before v3.8.1 contain a server-side request forgery vulnerability in the httprequest and webfetch agent tools that perform DNS resolution only at guard time without validating the connect-time resolution. Attackers can use DNS rebinding to answer the guard resolution with a public...

CVE-2026-82234 SiYuan before v3.8.1 SSRF via DNS-Rebinding TOCTOU

SiYuan versions before v3.8.1 contain a server-side request forgery vulnerability in the httprequest and webfetch agent tools that perform DNS resolution only at guard time without validating the connect-time resolution. Attackers can use DNS rebinding to answer the guard resolution with a public...

CVE-2026-80677 driver core: use READ_ONCE() for dev->driver in dev_has_sync_state()

In the Linux kernel, the following vulnerability has been resolved: driver core: use READONCE for dev-driver in devhassyncstate devhassyncstate reads dev-driver twice without holding devicelock -- once for the NULL check and once to dereference -syncstate. Some callers only hold...

CVE-2026-82238: Time-of-check Time-of-use (TOCTOU) Race Condition

filebrowser from version 2.24.0 contains a race condition in the TUS upload handler that allows authenticated users to write past the declared Upload-Length by sending concurrent PATCH requests. Attackers can send multiple simultaneous PATCH requests at the same offset to bypass length validation...

GHSA-MF7Q-R4RV-JV94 Crossplane's TOCTOU between cosign verification and image fetch in xpkg.CachedClient allows tag-based package install to bypass signature check

Summary Crossplane allows package signature verification to be configured via the ImageConfig mechanism. When enabled, the package manager uses cosign to verify that packages are correctly signed before pulling and installing them. When a package is installed using a tag reference e.g., a semanti...

Time-of-check Time-of-use (TOCTOU) Race Condition

Overview Affected versions of this package are vulnerable to Time-of-check Time-of-use TOCTOU Race Condition via the CachedClient.Get flow in pkg/xpkg/client.go. An attacker controlling an OCI registry can serve one signed image to fetcher.Head and validator.Validate, then swap the tag to differe...

Crossplane's TOCTOU between cosign verification and image fetch in xpkg.CachedClient allows tag-based package install to bypass signature check

Summary Crossplane allows package signature verification to be configured via the ImageConfig mechanism. When enabled, the package manager uses cosign to verify that packages are correctly signed before pulling and installing them. When a package is installed using a tag reference e.g., a semanti...

Time-of-check Time-of-use (TOCTOU) Race Condition

Overview Affected versions of this package are vulnerable to Time-of-check Time-of-use TOCTOU Race Condition via the CachedClient.Get flow in pkg/xpkg/client.go. An attacker controlling an OCI registry can serve one signed image to fetcher.Head and validator.Validate, then swap the tag to differe...

Time-of-check Time-of-use (TOCTOU) Race Condition

Overview Affected versions of this package are vulnerable to Time-of-check Time-of-use TOCTOU Race Condition via the CachedClient.Get flow in pkg/xpkg/client.go. An attacker controlling an OCI registry can serve one signed image to fetcher.Head and validator.Validate, then swap the tag to differe...

CVE-2026-74740

A flaw was found in the Linux kernel's network scheduler net/sched: actapi. A Time-of-Check to Time-of-Use TOCTOU race condition exists where a pointer can be cleared between two reads. This allows a concurrent operation to cause a NULL dereference, potentially leading to a system crash and Denia...

CVE-2026-3888

CVE-2026-3888 - snap-confine + systemd-tmpfiles Escalação de Privilégios Local Aviso: Este repositório é apenas para fins educacionais. Todo o conteúdo é baseado no aviso de segurança original publicado pela Qualys em 17 de março de 2026. A vulnerabilidade já foi corrigida — garanta sempre que se...

SUSE CVE-2026-65183

Time-of-check Time-of-use TOCTOU Race Condition vulnerability in Apache Tomcat when creating unix domain sockets allows an unauthorised local user to access the unix domain socket. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.24, from 10.1.0-M1 through 10.1.57, from 9.0.42 throug...

SUSE CVE-2026-72493

In the Linux kernel, the following vulnerability has been resolved: net: serialize netifrunning check in enqueuetobacklog Syzbot reported a KASAN slab-use-after-free in fibruleslookup. The root cause is a race condition where packets can escape the backlog flushing during device unregistration...

SUSE CVE-2026-74740

In the Linux kernel, the following vulnerability has been resolved: net/sched: actapi: fix TOCTOU NULL deref on a-gotochain tcfactionexec handles TCACTGOTOCHAIN by first checking rcuaccesspointera-gotochain and then calling tcfactiongotochainexec, which does a second, independent...

Security Bulletin: IBM QRadar SIEM contains components with known vulnerabilities

Summary Multiple components with known vulnerabilities were addressed in IBM QRadar SIEM Vulnerability Details CVEID:CVE-2026-25749 DESCRIPTION: Vim is an open source, command line text editor. Prior to version 9.1.2132, a heap buffer overflow vulnerability exists in Vim's tag file resolution log...

CVE-2026-47836

The base directory spring.cloud.config.server.svn.basedir used by the Spring Cloud Config Server to clone SVN repositories to is susceptible to time-of-check-time-of-use TOCTOU attacks. Spring Cloud Config 5.0.0 - 5.0.4 Spring Cloud Config 4.3.0 - 4.3.4 Spring Cloud Config 4.0.0 - 4.2.8 Spring...

CVE-2026-47836 Spring Cloud Config Server Susceptible To TOCTOU Attack When Using SVN

The base directory spring.cloud.config.server.svn.basedir used by the Spring Cloud Config Server to clone SVN repositories to is susceptible to time-of-check-time-of-use TOCTOU attacks. Spring Cloud Config 5.0.0 - 5.0.4 Spring Cloud Config 4.3.0 - 4.3.4 Spring Cloud Config 4.0.0 - 4.2.8 Spring...

CVE-2026-47836

Spring Cloud Config Server is susceptible to a time-of-check-time-of-use (TOCTOU) attack via the spring.cloud.config.server.svn.basedir property, which specifies where SVN repositories are cloned. The affected version ranges are 5.0.0–5.0.4, 4.3.0–4.3.4, 4.0.0–4.2.8, and 3.1.14 and earlier . The ...

CVE-2026-47836

The base directory spring.cloud.config.server.svn.basedir used by the Spring Cloud Config Server to clone SVN repositories to is susceptible to time-of-check-time-of-use TOCTOU attacks. Spring Cloud Config 5.0.0 - 5.0.4 Spring Cloud Config 4.3.0 - 4.3.4 Spring Cloud Config 4.0.0 - 4.2.8 Spring...

CVE-2026-47836 Spring Cloud Config Server Susceptible To TOCTOU Attack When Using SVN

The base directory spring.cloud.config.server.svn.basedir used by the Spring Cloud Config Server to clone SVN repositories to is susceptible to time-of-check-time-of-use TOCTOU attacks. Spring Cloud Config 5.0.0 - 5.0.4 Spring Cloud Config 4.3.0 - 4.3.4 Spring Cloud Config 4.0.0 - 4.2.8 Spring...