dnsmasq: Broken ECS source validation bypass

A validation bypass was discovered in dnsmasq's RFC 7871 client subnet ECS handling. When verifying ECS source information in DNS responses, dnsmasq passes the OPT record length instead of the full packet length to the validation function.This causes all internal bounds checks to fail, completely...

Bugsink 代码问题漏洞

Bugsink is an open-source, self-hosted bug tracking software developed by Bugsink. Versions of Bugsink prior to 2.1.3 had code vulnerabilities. These vulnerabilities stemmed from URL parsing issues, which allowed partial bypass of Webhook URL validation. This could enable attackers to circumvent...

PT-2026-43378

code100x contains an authentication bypass vulnerability in the Mobile API that allows unauthenticated attackers to impersonate arbitrary users by supplying a crafted JSON payload in the 'g' HTTP header. The middleware in middleware.ts skips identity header generation when an Auth-Key header is...

ALSA-2026:20589 Important: dnsmasq security update

The dnsmasq packages contain Dnsmasq, a lightweight DNS Domain Name Server forwarder and DHCP Dynamic Host Configuration Protocol server. Security Fixes: dnsmasq: dnsmasq: heap buffer overflow in cache via NAMEESCAPE expansion CVE-2026-2291 dnsmasq: NSEC bitmap parsing infinite loop CVE-2026-4890...

RHEL 8 : dnsmasq (RHSA-2026:20589)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:20589 advisory. The dnsmasq packages contain Dnsmasq, a lightweight DNS Domain Name Server forwarder and DHCP Dynamic Host Configuration Protocol server...

AZL-87804 CVE-2026-39821 affecting package ignition-flatcar for versions less than 2.22.0-5

The ToASCII and ToUnicode functions incorrectly accept Punycode-encoded labels that decode to an ASCII-only label. For example, ToUnicode"xn--example-.com" incorrectly returns the name "example.com" rather than an error. This behavior can lead to privilege escalation in programs using the idna...

AZL-87227 CVE-2026-46595 affecting package cri-o 1.30.1-1

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...

GHSA-GJWQ-9V8P-47W7 Concrete CMS's RSS Displayer block accepts a feed URL from any page editor and fetches it server-side without validation

In Concrete CMS 9.5.0 and below, the RSS Displayer block accepts a feed URL from any page editor and fetches it server-side without validation enabling redirect-to-internal bypasses...

Crawlee for Python: SSRF via sitemap-derived URLs

Overview - Vulnerability type: Blind SSRF - Affected components: src/crawlee/utils/sitemap.py, src/crawlee/utils/robots.py, src/crawlee/requestloaders/sitemaprequestloader.py, and all built-in HTTP clients. - Trigger: an attacker-controlled sitemap or robots.txt containing a URL that points to an...

PT-2026-42590

Overview - Vulnerability type: Blind SSRF - Affected components: src/crawlee/ utils/sitemap.py, src/crawlee/ utils/robots.py, src/crawlee/request loaders/ sitemap request loader.py, and all built-in HTTP clients. - Trigger: an attacker-controlled sitemap or robots.txt containing a URL that points...

PT-2026-42580

Name of the Vulnerable Software and Affected Versions Concrete CMS versions 9.5.0 and earlier Description The RSS Displayer block accepts a feed URL from page editors and fetches it server-side without proper validation. This lack of validation allows for redirect-to-internal bypasses, where an...

PT-2026-42667

Name of the Vulnerable Software and Affected Versions Crawlee versions 1.0.0 through 1.6.9 Description Crawlee is subject to a blind Server-Side Request Forgery SSRF when processing sitemap-derived URLs or robots.txt directives. The issue occurs when an attacker-controlled sitemap or robots.txt...

Important: Red Hat Security Advisory: opentelemetry-collector security update

An update for opentelemetry-collector is now available for Red Hat Enterprise Linux 9.4 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, ...

crypto/tls: crypto/tls: Incorrect certificate validation during TLS session resumption

A flaw was found in the crypto/tls component. This vulnerability occurs during Transport Layer Security TLS session resumption when certificate authority CA settings are modified between the initial and resumed handshakes. An attacker could exploit this to bypass certificate validation, allowing ...

crypto/tls: crypto/tls: Incorrect certificate validation during TLS session resumption

A flaw was found in the crypto/tls component. This vulnerability occurs during Transport Layer Security TLS session resumption when certificate authority CA settings are modified between the initial and resumed handshakes. An attacker could exploit this to bypass certificate validation, allowing ...

RHEL 9 : opentelemetry-collector (RHSA-2026:19720)

The remote Redhat Enterprise Linux 9 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2026:19720 advisory. Collector with the supported components for a Red Hat build of OpenTelemetry Security Fixes: net/url: Incorrect parsing of IPv6 host litera...

dnsmasq: Broken ECS source validation bypass

A validation bypass was discovered in dnsmasq's RFC 7871 client subnet ECS handling. When verifying ECS source information in DNS responses, dnsmasq passes the OPT record length instead of the full packet length to the validation function.This causes all internal bounds checks to fail, completely...

GHSA-32MQ-HPPH-XFVR @libp2p/kad-dht: Unvalidated PUT_VALUE records allow unbounded disk exhaustion on DHT server nodes

Summary An unauthenticated remote peer can exhaust the disk storage of any @libp2p/kad-dht node running in server mode by sending an unbounded stream of PUTVALUE messages whose keys bypass all content validation. No credentials, no prior relationship, and no protocol deviation beyond a crafted ke...

@libp2p/kad-dht: Unvalidated PUT_VALUE records allow unbounded disk exhaustion on DHT server nodes

Summary An unauthenticated remote peer can exhaust the disk storage of any @libp2p/kad-dht node running in server mode by sending an unbounded stream of PUTVALUE messages whose keys bypass all content validation. No credentials, no prior relationship, and no protocol deviation beyond a crafted ke...

Important: Red Hat Security Advisory: golang-github-openprinting-ipp-usb security update

An update for golang-github-openprinting-ipp-usb is now available for Red Hat Enterprise Linux 10. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available f...