OpenClaw up to 2026.2.11 Nostr Plugin /api/channels/nostr/ missing authentication

CVSS Meta Temp Score
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CTI Interest Score
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5.8$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in OpenClaw up to 2026.2.11. This impacts an unknown function of the file /api/channels/nostr/ of the component Nostr Plugin. This manipulation causes missing authentication. The identification of this vulnerability is CVE-2026-28450. The attack can only be executed locally. There is no exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in OpenClaw up to 2026.2.11. It has been declared as problematic. Affected by this vulnerability is some unknown processing of the file /api/channels/nostr/ of the component Nostr Plugin. The manipulation with an unknown input leads to a missing authentication vulnerability. The CWE definition for the vulnerability is CWE-306. The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources. As an impact it is known to affect confidentiality. The summary by CVE is:

OpenClaw versions prior to 2026.2.12 with the optional Nostr plugin enabled expose unauthenticated HTTP endpoints at /api/channels/nostr/:accountId/profile and /api/channels/nostr/:accountId/profile/import that allow reading and modifying Nostr profiles without gateway authentication. Remote attackers can exploit these endpoints to read sensitive profile data, modify Nostr profiles, persist malicious changes to gateway configuration, and publish signed Nostr events using the bot's private key when the gateway HTTP port is accessible beyond localhost.

The advisory is shared at github.com. This vulnerability is known as CVE-2026-28450 since 02/27/2026. The exploitation appears to be difficult. An attack has to be approached locally. Technical details are known, but no exploit is available.

Upgrading to version 2026.2.12 eliminates this vulnerability. Applying the patch 647d929c9d0fd114249230d939a5cb3b36dc70e7 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 5.8
VulDB Meta Temp Score: 5.8

VulDB Base Score: 2.5
VulDB Temp Score: 2.4
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 8.2
NVD Vector: 🔒

CNA Base Score: 6.8
CNA Vector (VulnCheck): 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Missing authentication
CWE: CWE-306 / CWE-287
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: OpenClaw 2026.2.12
Patch: 647d929c9d0fd114249230d939a5cb3b36dc70e7

Timelineinfo

02/27/2026 CVE reserved
03/06/2026 +7 days Advisory disclosed
03/06/2026 +0 days VulDB entry created
03/11/2026 +5 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: GHSA-mv9j-6xhh-g383
Status: Confirmed

CVE: CVE-2026-28450 (🔒)
GCVE (CVE): GCVE-0-2026-28450
GCVE (VulDB): GCVE-100-349369

Entryinfo

Created: 03/06/2026 07:41
Updated: 03/11/2026 22:38
Changes: 03/06/2026 07:41 (79), 03/08/2026 00:04 (5), 03/10/2026 13:40 (1), 03/11/2026 22:38 (11)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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