PT-2026-52973

Name of the Vulnerable Software and Affected Versions Notepad++ versions prior to 8.9.6.4 Description A Time-of-Check to Time-of-Use TOCTOU flaw exists in NppCommands.cpp. The application validates the HMAC of the shortcuts.xml file on disk when a user command is triggered, but it executes the...

PT-2026-53020

Name of the Vulnerable Software and Affected Versions python-engineio versions prior to 4.13.2 Description Two specific configurations of the server fail to verify the size of incoming messages before loading them into memory, which can lead to excessive memory allocations. This occurs during POS...

CVE-2026-53295: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: mailbox: add sanity check for channel array Fail gracefully if there is no channel array attached to the mailbox controller. Otherwise the later dereference will cause an OOPS which might not be seen because mailbox controllers...

CVE-2026-57915: Missing Critical Step in Authentication

It is possible to bypass the Kerberos pre-authentication check in Apache Kerby by sending a PA-DATA with an unrecognized or unsupported type. Users are recommended to upgrade to version 2.1.2, which fixes this issue...

Oracle Linux 9 : kernel (ELSA-2026-27789)

The remote Oracle Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-27789 advisory. - net/sched: fix pedit partial COW leading to page cache corruption Ivan Vecera RHEL-177392 CVE-2026-46331 - scsi: qla2xxx: Completely fix fcport doub...

CVE-2026-53178

A flaw was found in the Linux kernel, specifically within the rtl8723bs Wi-Fi driver's rtwmlme component. This vulnerability is due to a missing bounds check before subtracting fixed offsets from the ielength variable, which can lead to an unsigned integer underflow. This issue could potentially...

CVE-2026-40080

Cacti is an open source performance and fault management framework. Versions 1.2.30 and prior are vulnerable to Open Redirect through a substring check rather than a host check at strcontains$referer, CACTIPATHURL. When the user's loginopts == '1' redirect to referer after login, the function use...

GO-2026-5645 Nezha Monitoring: RoleMember can fire other users' cron tasks via AlertRule.FailTriggerTasks (no ownership check) in github.com/nezhahq/nezha

Nezha Monitoring: RoleMember can fire other users' cron tasks via AlertRule.FailTriggerTasks no ownership check in github.com/nezhahq/nezha...

GO-2026-5709 Crossplane: Signature verification TOCTOU allows installing unverified package content via mutable tag in github.com/crossplane/crossplane

Crossplane: Signature verification TOCTOU allows installing unverified package content via mutable tag in github.com/crossplane/crossplane...

GO-2026-5688 Mailpit: Incomplete SSRF protection in Link Check API via IPv6 transition mechanisms in github.com/axllent/mailpit

Mailpit: Incomplete SSRF protection in Link Check API via IPv6 transition mechanisms in github.com/axllent/mailpit...

GO-2026-5494 Mattermost doesn't check public/private permissions in github.com/mattermost/mattermost-plugin-playbooks

Mattermost doesn't check public/private permissions in github.com/mattermost/mattermost-plugin-playbooks...

GO-2026-5446 Mailpit has an incomplete fix for GHSA-6jxm: HTML check still permits SSRF to private/loopback/IMDS via missing IP-filter dialer in github.com/axllent/mailpit

Mailpit has an incomplete fix for GHSA-6jxm: HTML check still permits SSRF to private/loopback/IMDS via missing IP-filter dialer in github.com/axllent/mailpit...

CVE-2026-40080

The CVE CVE-2026-40080 affects Cacti (open source performance and fault management framework) up to version 1.2.30. The vulnerability is an Open Redirect: login flow uses $_SERVER['HTTP_REFERER'] when login_opts == '1' and checks the referer with a substring (str_contains($referer, CACTI_PATH_URL...

CVE-2026-40080

Cacti is an open source performance and fault management framework. Versions 1.2.30 and prior are vulnerable to Open Redirect through a substring check rather than a host check at strcontains$referer, CACTIPATHURL. When the user's loginopts == '1' redirect to referer after login, the function use...

EUVD-2026-31399

golang.org/x/crypto/ssh/knownhosts vulnerable to auth bypass via unenforced @revoked status...

CVE-2026-6331

HMAC zero-length tag forgery in EVPDigestVerifyFinal, where a zero-length tag could be accepted as valid during HMAC verification. In the OpenSSL-compatibility HMAC verify path the supplied signature length was only checked as not exceeding the MAC length, so a zero-length or otherwise truncated...

UBUNTU-CVE-2026-6331

HMAC zero-length tag forgery in EVPDigestVerifyFinal, where a zero-length tag could be accepted as valid during HMAC verification. In the OpenSSL-compatibility HMAC verify path the supplied signature length was only checked as not exceeding the MAC length, so a zero-length or otherwise truncated...

CVE-2025-71328

Flowise before 3.0.10 contains an unverified password change vulnerability. An authenticated user can change their account password through the account settings Security section without supplying the current password or any additional verification, as the application does not enforce a...

golang.org/x/crypto is vulnerable to invoking server panic during CheckHostKey/Authenticate flow

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...

GHSA-54VG-PFH7-JQ95 Lemur: Crafted CRL/OCSP URLs in uploaded certificates lead to post-authentication SSRF

Summary When verifying an uploaded certificate, lemur/certificates/verify.py extracts the CRL Distribution Point URL and the OCSP responder URL directly from the certificate's extensions and issues outbound requests to those URLs without scheme restriction or destination allow-listing. An...