CVE-2026-56708

MediumCVSS 5.3/10Last modified Oct 12, 2026

Description

Grav API plugin before 1.0.16 contains a server-side request forgery vulnerability in webhook delivery that allows attackers to bypass hostname validation by DNS rebinding. Attackers controlling authoritative DNS for a configured webhook hostname can answer validation lookups with public addresses and delivery lookups with private addresses to reach internal network resources.

Metrics

CVSS 3.1 5.3/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Weakness enumeration

CWE-367

Affected software

No affected versions have been published.

Timeline

Published: Aug 25, 2026
Last modified: Oct 12, 2026
NVD status: Deferred

Related CVEs from 2026

CVE-2026-567097.5Grav before 3.9.2 fails to validate untrusted Host headers in the sendInvitationEmail() function when constructing token-bearing invitation CVE-2026-56714.3A vulnerability was determined in Cyber-III Student-Management-System up to 1a938fa61e9f735078e9b291d2e6215b4942af3f. Impacted is an unknown CVE-2026-567109.8Grav Login plugin versions before 1.0.16 fail to validate the target account's privilege level in the onApiUserListRowAction unlock handler.CVE-2026-567117.0VLC media player versions 3.0.0 through 3.0.23 contain a memory-safety vulnerability reachable when processing crafted media. Exploitation r CVE-2026-567187.5AJCloud AJY IPC firmware prior to version 01.10715.11.37 contains a path traversal vulnerability in the jdbhttpd web service that allows una CVE-2026-567196.5MikroTik RouterOS before 7.24 contains an out-of-bounds read vulnerability in the userspace SMB daemon that allows unauthenticated attackers CVE-2026-56727.3A vulnerability has been found in code-projects Simple IT Discussion Forum 1.0. Affected by this issue is some unknown functionality of the CVE-2026-567204.3CamaleonCMS version 2.9.2 and earlier contains a missing authorization vulnerability in the admin users controller that allows any authentic CVE-2026-567218.8CamaleonCMS version 2.9.2 and earlier contains a privilege escalation vulnerability via insecure direct object reference (IDOR) that allows CVE-2026-567225.3Dompdf is an HTML to PDF converter for PHP. In versions 3.15 and prior, aAn attacker who controls the HTML input can bypass this restriction CVE-2026-567237.1Zammad is a web based open source helpdesk/customer support system. Prior to 7.0.2, a customer who can view a ticket cannot see internal tic CVE-2026-567247.1Zammad is a web based open source helpdesk/customer support system. Prior to 7.0.2, summary An issue with permission checks in the knowledge