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CVE-2026-63540

Heap Buffer Overflow in Hyperscan Leading to Denial of Service

Heap-based buffer overflow for some Hyperscan before version v5.4.2.1 within Ring 3: User Applications may allow a denial of service. Unprivileged software adversary with an unauthenticated user combined with a low complexity attack may enable denial of service. This result may potentially occur via local access when attack requirements are not present without special internal knowledge and requires passive user interaction. The potential vulnerability may impact the confidentiality (none), integrity (low) and availability (high) of the vulnerable system, resulting in subsequent system confidentiality (none), integrity (none) and availability (none) impacts.

CVSS 4.0 · 6.9 Medium EPSS < 1% KEV · Not listed
Vendors
Intel
Products
Hyperscan
CVE-2026-97043

Unexpected code execution via escaped quotes in //go:cgo_ldflag in cmd/go and cmd/compile

Building a malicious package that uses cgo could bypass "#cgo LDFLAGS" validation and cause unexpected code execution at build time, or cause the go command to panic, via crafted quoting in "//go:cgo_ldflag" directives. When "cmd/cgo" generates "_cgo_gotypes.go", it quotes each "#cgo LDFLAGS" argument with strconv.Quote in a "//go:cgo_ldflag" directive, but "cmd/compile" and "cmd/go" parsed those directives by splitting on raw quote characters without handling backslash escapes or unquoting the string. This mismatch allowed disallowed linker flags or unvalidated linker search paths to be smuggled past the go command's flag checks and passed to the external linker. In addition, deduplicating LDFLAGS in the go command could panic with an out-of-bounds slice index when a prefix of the flag list matched near the end of the slice. "cmd/compile" and "cmd/go" now properly handle backslash-escaped quotes and unquote "//go:cgo_*" pragma strings with strconv.Unquote, and the slice bounds check in processCgoOutputs has been fixed.

CVSS n/a EPSS < 1% KEV · Not listed
Vendors
—
Products
—
CVE-2026-93427

ARMember Premium <= 7.8.1 - Unauthenticated Stored Cross-Site Scripting via Registration Custom Field

The ARMember Premium – Membership Plugin, Content Restriction, Member Levels, User Profile & User signup plugin for WordPress is vulnerable to Stored Cross-Site Scripting via Registration Custom Field (Profile Cover) in all versions up to, and including, 7.8.1 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

CVSS 3.1 · 7.2 High EPSS < 1% KEV · Not listed
Vendors
Armember Wordpress-extensions
Products
Armember Premium – Membership Plugin, Content Restriction, Member Levels, User Profile & User Signup Armember Premium
CVE-2026-60043

XSS in backend

An unauthenticated remote attacker can perform a XSS attack on a logged in backend user allowing for execution of multiple critical system actions. This could allow an attacker to shutdown the server or restore an uploaded backup. This can result in a loss of integrity and availability.

CVSS 4.0 · 6.4 Medium EPSS < 1% KEV · Not listed
Vendors
Helmholz Mb Connect Line Mbconnectline
Products
Myrex24v2 Myrex24v2.virtual Myrex24v2 Firmware and 5 more
CVE-2026-82509

V Programming Language net.http TLS Certificate Validation Bypass

V programming language standard library net.http through version 0.5.2 prior to commit 4077484 contains a TLS certificate validation bypass vulnerability that allows on-path attackers to intercept HTTPS traffic by exploiting the default false value of SSLConnectConfig.validate and FetchConfig.validate, which completes TLS handshakes without verifying certificates in both the mbedtls and OpenSSL backends. Attackers can present an expired, self-signed, wrong-hostname, or untrusted-root certificate to successfully complete the handshake via http.get, http.post, or http.fetch, enabling interception or modification of HTTPS traffic unless validate: true is explicitly configured.

CVSS 4.0 · 9.1 Critical EPSS < 1% KEV · Not listed
Vendors
Vlang
Products
V
CVE-2026-124855

Sandbox escape in the DOM: Navigation component

Sandbox escape in the DOM: Navigation component. This vulnerability was fixed in Firefox 160, Firefox ESR 153.7, Thunderbird 160, and Thunderbird 153.7.

CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed
Vendors
Mozilla
Products
Firefox Thunderbird
CVE-2026-125757

mailcow: dockerized before 2026-11 Template Injection RCE via Domain-Wide Footer

mailcow: dockerized before 2026-11 contains a server-side template injection vulnerability that allows domain administrators to execute commands in the shared rspamd container by storing a malicious domain-wide footer. Attackers can embed a Jinja macro with an os.execute default value, rendered by the rspamd MOO_FOOTER prefilter, to read or inject mail for every tenant and disable filtering.

CVSS 4.0 · 9.4 Critical EPSS < 1% KEV · Not listed
Vendors
Mailcow
Products
Mailcow\ Mailcow\: Dockerized
CVE-2026-126042

VNote 3.11.0 before 4.12.0 OS Command Injection via Tasks Magic Variables

VNote 3.11.0 before 4.12.0 contains an OS command injection vulnerability in its Tasks feature: magic variables such as ${bufferName} and ${selectedText} are substituted into a shell command string without escaping. Attackers can share a notebook containing a note whose filename or text includes shell metacharacters such as $(...), backticks, ; or |, executing commands as the victim when they run a task referencing these variables.

CVSS 4.0 · 7.3 High EPSS < 1% KEV · Not listed
Vendors
Vnote Project Vnotex
Products
Vnote Vnote