OpenClaw assertPublicHostname web-fetch.ts server-side request forgery

MITRE NVD CVE.ORG JSON API Print: PDF PDF

Summary

CVECVE-2026-6011
StatePUBLISHED
AssignerVulDB
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-04-10 05:16:06 UTC
Updated2026-04-30 14:22:11 UTC
DescriptionA weakness has been identified in OpenClaw up to 2026.1.26. Affected by this issue is some unknown functionality of the file src/agents/tools/web-fetch.ts of the component assertPublicHostname Handler. Executing a manipulation can lead to server-side request forgery. The attack can be executed remotely. This attack is characterized by high complexity. The exploitation is known to be difficult. The exploit has been made available to the public and could be used for attacks. Upgrading to version 2026.1.29 can resolve this issue. This patch is called b623557a2ec7e271bda003eb3ac33fbb2e218505. Upgrading the affected component is advised.

Risk And Classification

Primary CVSS: v4.0 2.9 LOW from [email protected]

CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/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

EPSS: 0.000960000 probability, percentile 0.262550000 (date 2026-05-05)

Problem Types: CWE-918 | CWE-918 Server-Side Request Forgery

VersionSourceTypeScoreSeverityVector
4.0[email protected]Secondary2.9LOWCVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/C...
4.0CNADECLARED6.3MEDIUMCVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
3.1[email protected]Primary8.1HIGHCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
3.1[email protected]Secondary5.6MEDIUMCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
3.1CNADECLARED5.6MEDIUMCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C
3.0CNADECLARED5.6MEDIUMCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C
2.0[email protected]Secondary5.1AV:N/AC:H/Au:N/C:P/I:P/A:P
2.0CNADECLARED5.1AV:N/AC:H/Au:N/C:P/I:P/A:P/E:POC/RL:OF/RC:C

CVSS v4.0 Breakdown

Attack Vector
Network
Attack Complexity
High
Attack Requirements
None
Privileges Required
None
User Interaction
None
Confidentiality
Low
Integrity
Low
Availability
Low
Sub Conf.
None
Sub Integrity
None
Sub Availability
None

CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/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

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v3.0 Breakdown

Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
Low

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Openclaw Openclaw All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na OpenClaw affected 2026.1.0 Not specified
CNA Na OpenClaw affected 2026.1.1 Not specified
CNA Na OpenClaw affected 2026.1.2 Not specified
CNA Na OpenClaw affected 2026.1.3 Not specified
CNA Na OpenClaw affected 2026.1.4 Not specified
CNA Na OpenClaw affected 2026.1.5 Not specified
CNA Na OpenClaw affected 2026.1.6 Not specified
CNA Na OpenClaw affected 2026.1.7 Not specified
CNA Na OpenClaw affected 2026.1.8 Not specified
CNA Na OpenClaw affected 2026.1.9 Not specified
CNA Na OpenClaw affected 2026.1.10 Not specified
CNA Na OpenClaw affected 2026.1.11 Not specified
CNA Na OpenClaw affected 2026.1.12 Not specified
CNA Na OpenClaw affected 2026.1.13 Not specified
CNA Na OpenClaw affected 2026.1.14 Not specified
CNA Na OpenClaw affected 2026.1.15 Not specified
CNA Na OpenClaw affected 2026.1.16 Not specified
CNA Na OpenClaw affected 2026.1.17 Not specified
CNA Na OpenClaw affected 2026.1.18 Not specified
CNA Na OpenClaw affected 2026.1.19 Not specified
CNA Na OpenClaw affected 2026.1.20 Not specified
CNA Na OpenClaw affected 2026.1.21 Not specified
CNA Na OpenClaw affected 2026.1.22 Not specified
CNA Na OpenClaw affected 2026.1.23 Not specified
CNA Na OpenClaw affected 2026.1.24 Not specified
CNA Na OpenClaw affected 2026.1.25 Not specified
CNA Na OpenClaw affected 2026.1.26 Not specified
CNA Na OpenClaw unaffected 2026.1.29 Not specified

References

ReferenceSourceLinkTags
vuldb.com/vuln/356567 [email protected] vuldb.com Third Party Advisory, VDB Entry
github.com/openclaw/openclaw/commit/b623557a2ec7e271bda003eb3ac33fbb2e21... [email protected] github.com Patch
github.com/openclaw/openclaw [email protected] github.com Product
github.com/openclaw/openclaw/releases/tag/v2026.1.29 [email protected] github.com Release Notes
vuldb.com/submit/795224 [email protected] vuldb.com Patch, Third Party Advisory, VDB Entry
vuldb.com/vuln/356567/cti [email protected] vuldb.com Permissions Required, VDB Entry
github.com/zast-ai/vulnerability-reports/blob/main/openclaw/ssrf.md [email protected] github.com Exploit, Mitigation, Patch, Third Party Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: ZAST.AI (VulDB User) (en)

Additional Advisory Data

SourceTimeEvent
CNA2026-04-09T00:00:00.000ZAdvisory disclosed
CNA2026-04-09T02:00:00.000ZVulDB entry created
CNA2026-04-09T16:34:14.000ZVulDB entry last update

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