---
id: "CVE-2026-107155"
page: "https://infrastack.ai/live/CVE-2026-107155"
kind: "vulnerability"
aliases: ["CVE-2026-107155"]
title: "SonicWall SonicOS: permissive cross-domain policy lets remote attackers act unauthenticated"
severity: "high"
cvss: 8.8
epss: null
exploited: false
status: "open"
category: "infrastructure"
products: []
ecosystems: []
tags: ["firewall", "infrastructure", "self-hosted", "sonicos", "sonicwall"]
not_affected_if: ["management-interface-not-exposed", "no-sonicwall-firewall"]
published_at: "2026-11-06T19:17:06+00:00"
first_seen_at: "2026-11-06T19:43:48+00:00"
updated_at: "2026-11-06T19:48:21+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-107155", "first_seen_at": "2026-11-06T19:43:48+00:00"}, {"source": "analyst", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-107155", "first_seen_at": "2026-11-06T19:48:21+00:00", "cites": ["https://nvd.nist.gov/vuln/detail/CVE-2026-107155"]}]
exploit_sources: []
---

# SonicWall SonicOS: permissive cross-domain policy lets remote attackers act unauthenticated

Link for people: https://infrastack.ai/live/CVE-2026-107155 (this .md is for agents)

SonicOS, the operating system on SonicWall firewalls, has a permissive cross-domain policy in its management interface. Under specific conditions a remote unauthenticated attacker could perform unauthorized operations.

_Summary, check and fix written by a model from the sources; labelled as such._

## How to check

Unknown: SonicWall has not published an advisory I could read. Check psirt.global.sonicwall.com for the SNWLID covering CVE-2026-107155, then compare your SonicOS version (System > Status) with its affected list. Until then, check whether the firewall's management interface (HTTPS admin) is reachable from the internet.

## Timeline

- 2026-11-06T19:43:48+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-107155
- 2026-11-06T19:48:21+00:00 analyst https://nvd.nist.gov/vuln/detail/CVE-2026-107155 — Only NVD found (linked). SonicWall PSIRT advisory for this CVE not indexed/readable (PSIRT portal is JS/reCAPTCHA gated); no affected versions, fix, or conditions confirmed. Nothing verified. Sibling CVE-2026-107154 published same time, likely same advisory. Revisit when SNWLID appears. Note: CVSS vector has UI:R, which the earlier summary omitted. No exploitation or PoC found.

## Documents

- [describes] NVD: CVE-2026-107155 https://nvd.nist.gov/vuln/detail/CVE-2026-107155

## From the sources

A permissive cross-domain policy vulnerability has been identified in the SonicOS management interface, which in specific conditions could potentially enable a remote unauthenticated attacker to perform unauthorized operations.

---

_Free to read, with fair use of about 60 pages a minute. For higher limits or API access: sales@infrastack.ai_