OSWE-Notes

OSWE Exploit Helpers Helper modules for writing OSWE exploit...

SUSE CVE-2026-39835

SSH servers which use CertChecker as a public key callback without setting IsUserAuthority or IsHostAuthority could be caused to panic by a client presenting a certificate. CertChecker now returns an error instead of panicking when these callbacks are nil...

SUSE CVE-2026-46595

Previously, CVE-2024-45337 fixed an authorization bypass for misused ssh server configurations; if any other type of callback is passed other than public key, then the source-address validation would be skipped...

CVE-2026-39835

SSH servers which use CertChecker as a public key callback without setting IsUserAuthority or IsHostAuthority could be caused to panic by a client presenting a certificate. CertChecker now returns an error instead of panicking when these callbacks are nil...

CVE-2026-46595 Invoking VerifiedPublicKeyCallback permissions skip enforcement in golang.org/x/crypto/ssh

Previously, CVE-2024-45337 fixed an authorization bypass for misused ssh server configurations; if any other type of callback is passed other than public key, then the source-address validation would be skipped...

CVE-2026-39835 Invoking server panic during CheckHostKey/Authenticate in golang.org/x/crypto/ssh

SSH servers which use CertChecker as a public key callback without setting IsUserAuthority or IsHostAuthority could be caused to panic by a client presenting a certificate. CertChecker now returns an error instead of panicking when these callbacks are nil...

Sunshine 信任管理问题漏洞

Sunshine is an Open Source Moonlight-based autonomous gaming streaming host developed by LizardByte. Earlier versions of Sunshine, such as 2026.516.143833, had vulnerabilities related to trust management. These vulnerabilities stemmed from improper handling of OpenSSL verification results. Custom...

PT-2026-42714

Name of the Vulnerable Software and Affected Versions SSH servers affected versions not specified Description SSH servers using CertChecker as a public key callback may experience a panic when a client presents a certificate if IsUserAuthority or IsHostAuthority are not set. A panic is a critical...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Platform/x86: dell-wmi-sysman: Fixed the retrieval of WMI data blocks in sysfs callbacks. After retrieving WMI data blocks through sysfs callbacks, it is necessary to check the validity of these data blocks before dereferencing...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-021598)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-021598 advisory. In the Linux kernel, the following vulnerability has been resolved: gfs2: Fix potential glock use-after-free on unmount When a DLM lockspace is released and there ar...

CVE-2025-64526

Strapi is an open source headless content management system. In Strapi versions prior to 5.45.0, the rate-limit middleware in the users-permissions plugin derived its rate-limit key in part from ctx.request.body.email, including on routes whose body schema does not contain an email field...

SUSE CVE-2026-43324

In the Linux kernel, the following vulnerability has been resolved: USB: dummy-hcd: Fix interrupt synchronization error This fixes an error in synchronization in the dummy-hcd driver. The error has a somewhat involved history. The synchronization mechanism was introduced by commit 7dbd8f4cabd9...

Arbitrary Code Injection

Overview @nyariv/sandboxjs is a Javascript sandboxing library. Affected versions of this package are vulnerable to Arbitrary Code Injection via createFunction in executorUtils.ts. An attacker can escape the sandbox and execute arbitrary code in the host environment by leveraging access to interna...

CVE-2026-44993

OpenClaw before 2026.4.20 contains a message classification vulnerability in Feishu card-action callbacks that misclassifies direct messages as group conversations. Attackers can bypass dmPolicy enforcement by triggering card-action flows in direct message conversations that should have been...

PT-2026-39682

OpenClaw before 2026.4.20 contains a message classification vulnerability in Feishu card-action callbacks that misclassifies direct messages as group conversations. Attackers can bypass dmPolicy enforcement by triggering card-action flows in direct message conversations that should have been...

GHSA-WQFH-GQ79-J8MF free5GC's NEF nnef-callback route group is unauthenticated; forged callback requests are accepted into the processing path

Summary free5GC's NEF mounts the nnef-callback route group without inbound OAuth2/bearer-token authorization. A forged or arbitrary bearer token e.g. Authorization: Bearer not-a-real-token is enough to reach the SMF-callback handler -- the callback body is parsed and dispatched into NEF business...

EUVD-2026-28608

In the Linux kernel, the following vulnerability has been resolved: USB: dummy-hcd: Fix interrupt synchronization error This fixes an error in synchronization in the dummy-hcd driver. The error has a somewhat involved history. The synchronization mechanism was introduced by commit 7dbd8f4cabd9...

CVE-2026-43333

In the Linux kernel, the following vulnerability has been resolved: bpf: reject direct access to nullable PTRTOBUF pointers checkmemaccess matches PTRTOBUF via basetype which strips PTRMAYBENULL, allowing direct dereference without a null check. Map iterator ctx-key and ctx-value are PTRTOBUF |...

CVE-2026-43324

In the Linux kernel, the following vulnerability has been resolved: USB: dummy-hcd: Fix interrupt synchronization error This fixes an error in synchronization in the dummy-hcd driver. The error has a somewhat involved history. The synchronization mechanism was introduced by commit 7dbd8f4cabd9...

UBUNTU-CVE-2026-43333

In the Linux kernel, the following vulnerability has been resolved: bpf: reject direct access to nullable PTRTOBUF pointers checkmemaccess matches PTRTOBUF via basetype which strips PTRMAYBENULL, allowing direct dereference without a null check. Map iterator ctx-key and ctx-value are PTRTOBUF |...