7.7
HIGH CVSS 3.1
CVE-2026-43527
OpenClaw < 2026.4.14 - Server-Side Request Forgery via Private Network Navigation
Description

OpenClaw before 2026.4.14 contains a server-side request forgery vulnerability in browser SSRF policy that allows private-network navigation by default. Attackers can exploit this misconfiguration to access internal services or metadata endpoints through browser-driven requests.

INFO

Published Date :

May 5, 2026, 12:16 p.m.

Last Modified :

May 5, 2026, 12:16 p.m.

Remotely Exploit :

Yes !
Affected Products

The following products are affected by CVE-2026-43527 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

No affected product recoded yet

CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 HIGH 83251b91-4cc7-4094-a5c7-464a1b83ea10
CVSS 3.1 HIGH [email protected]
CVSS 4.0 MEDIUM 83251b91-4cc7-4094-a5c7-464a1b83ea10
CVSS 4.0 MEDIUM [email protected]
Solution
Update OpenClaw to version 2026.4.14 or later to fix the SSRF vulnerability.
  • Update OpenClaw to version 2026.4.14 or later.
  • Review and restrict browser SSRF policy configurations.
  • Disable default private-network navigation for SSRF.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-43527 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-43527 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-43527 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-43527 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • New CVE Received by [email protected]

    May. 05, 2026

    Action Type Old Value New Value
    Added Description OpenClaw before 2026.4.14 contains a server-side request forgery vulnerability in browser SSRF policy that allows private-network navigation by default. Attackers can exploit this misconfiguration to access internal services or metadata endpoints through browser-driven requests.
    Added CVSS V4.0 AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:N/SC:H/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
    Added CVSS V3.1 AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
    Added CWE CWE-918
    Added CWE CWE-1188
    Added Reference https://github.com/openclaw/openclaw/commit/024f4614a1a1831406e763adc40ef226e3d5e9ed
    Added Reference https://github.com/openclaw/openclaw/commit/1dabfef28db523e7de81edeb3dd689e9171236a2
    Added Reference https://github.com/openclaw/openclaw/commit/213c36cf51121ef6c05cfccd78037371f968f31a
    Added Reference https://github.com/openclaw/openclaw/commit/7eecfa411df3d12e6b810e6ca5df47254fc3db3f
    Added Reference https://github.com/openclaw/openclaw/security/advisories/GHSA-53vx-pmqw-863c
    Added Reference https://www.vulncheck.com/advisories/openclaw-server-side-request-forgery-via-private-network-navigation
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.