CVE-2026-34984 External Secrets Operator has DNS exfiltration via getHostByName in its v2 template engine

External Secrets Operator reads information from a third-party service and automatically injects the values as Kubernetes Secrets. Versions 2.2.0 and below contain a vulnerability in runtime/template/v2/template.go where the v2 template engine removes env and expandenv from Sprig's TxtFuncMap but...

CVE-2026-34984 External Secrets Operator has DNS exfiltration via getHostByName in its v2 template engine

External Secrets Operator reads information from a third-party service and automatically injects the values as Kubernetes Secrets. Versions 2.2.0 and below contain a vulnerability in runtime/template/v2/template.go where the v2 template engine removes env and expandenv from Sprig's TxtFuncMap but...

CVE-2026-34984

Summary: External Secrets Operator (ESO) versions 2.2.0 and earlier are vulnerable due to the v2 template engine’s getHostByName exposure in runtime/template/v2/template.go. An attacker who can create or update templated ExternalSecret resources can trigger controller-side DNS lookups using secre...

CVE-2026-34984

External Secrets Operator reads information from a third-party service and automatically injects the values as Kubernetes Secrets. Versions 2.2.0 and below contain a vulnerability in runtime/template/v2/template.go where the v2 template engine removes env and expandenv from Sprig's TxtFuncMap but...

CVE-2026-34984: Exposure of Sensitive Information to an Unauthorized Actor

External Secrets Operator reads information from a third-party service and automatically injects the values as Kubernetes Secrets. Versions 2.2.0 and below contain a vulnerability in runtime/template/v2/template.go where the v2 template engine removes env and expandenv from Sprig's TxtFuncMap but...

External Secrets Information Leakage Vulnerabilities

External Secrets is an open-source Kubernetes-related application developed by External Secrets. Versions of External Secrets 2.2.0 and earlier contain a vulnerability related to information leakage. This vulnerability stems from the v2 template engine not removing the getHostByName function, whi...

GHSA-R2PG-R6H7-CRF3 External Secrets Operator has DNS-based secret exfiltration via getHostByName in External Secrets v2 template engine

Summary The v2 template engine in runtime/template/v2/template.go imports Sprig’s TxtFuncMap and removes env and expandenv, but leaves getHostByName available to user-controlled templates. Because ESO executes templates inside the controller process, an attacker who can create or update templated...

External Secrets Operator has DNS-based secret exfiltration via getHostByName in External Secrets v2 template engine

Summary The v2 template engine in runtime/template/v2/template.go imports Sprig’s TxtFuncMap and removes env and expandenv, but leaves getHostByName available to user-controlled templates. Because ESO executes templates inside the controller process, an attacker who can create or update templated...

GHSA-V2GC-RM6G-WRW9 Craft CMS: Cloud Metadata SSRF Protection Bypass via IPv6 Resolution

The SSRF validation in Craft CMS’s GraphQL Asset mutation uses gethostbyname, which only resolves IPv4 addresses. When a hostname has only AAAA IPv6 records, the function returns the hostname string itself, causing the blocklist comparison to always fail and completely bypassing SSRF protection...

Server-side Request Forgery (SSRF)

Overview craftcms/cms is a content management system. Affected versions of this package are vulnerable to Server-side Request Forgery SSRF in the gethostbyname function used during GraphQL Asset mutation processing. An attacker can access internal cloud metadata endpoints by supplying hostnames...

CVE-2026-27129

Craft is a content management system CMS. In versions 4.5.0-RC1 through 4.16.18 and 5.0.0-RC1 through 5.8.22, the SSRF validation in Craft CMS’s GraphQL Asset mutation uses "gethostbyname", which only resolves IPv4 addresses. When a hostname has only AAAA IPv6 records, the function returns the...

CVE-2026-27129: Server-Side Request Forgery (SSRF)

Craft is a content management system CMS. In versions 4.5.0-RC1 through 4.16.18 and 5.0.0-RC1 through 5.8.22, the SSRF validation in Craft CMS’s GraphQL Asset mutation uses gethostbyname, which only resolves IPv4 addresses. When a hostname has only AAAA IPv6 records, the function returns the...

📄 Qualys Security Advisory - GHOST glibc gethostbyname Buffer Overflow

During a code audit performed internally at Qualys, they discovered a buffer overflow in the nsshostnamedigitsdots function of the GNU C Library glibc. This bug is reachable both locally and remotely via the gethostbyname functions, so we decided to analyze it -- and its impact -- thoroughly, and...

curl: Heap Overflow in cURL AmigaOS Socket Implementation

Buffer Overflow in cURL AmigaOS Socket Implementation Report Metadata - Report ID: H1-CURL-AMIGAOS-001 - Report Title: Heap Buffer Overflow in Curlipv4resolver in AmigaOS Socket Backend - Component: /home/el-ha9/curl/lib/amigaos.c - Curlipv4resolver function - Affected Versions: All cURL versions...

EUVD-1999-0101

Malware in sbrugna...

EUVD-2023-0766

Malicious code in bioql PyPI...

CVE-2025-1330

IBM CICS TX Standard 11.1 and IBM CICS TX Advanced 10.1 and 11.1 could allow a local user to execute arbitrary code on the system due to failure to handle DNS return requests by the gethostbyname function...

CVE-2025-1330

IBM CICS TX Standard 11.1 and IBM CICS TX Advanced 10.1 and 11.1 could allow a local user to execute arbitrary code on the system due to failure to handle DNS return requests by the gethostbyname function...

CVE-2025-1330: Out-of-bounds Write

IBM CICS TX Standard 11.1 and IBM CICS TX Advanced 10.1 and 11.1 could allow a local user to execute arbitrary code on the system due to failure to handle DNS return requests by the gethostbyname function...

IBM CICS TX Standard buffer error vulnerability

IBM CICS TX Standard is a comprehensive single transaction runtime package from International Business Machines IBM, Inc. It can provide a cloud-native deployment model for standalone applications. A buffer error vulnerability exists in IBM CICS TX Standard version 11.1, which stems from the...