OpenClaw up to 2026.2.13 sendMediaFeishu server-side request forgery

CVSS Meta Temp Score
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CTI Interest Score
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8.2$0-$5k0.00

Summaryinfo

A vulnerability labeled as critical has been found in OpenClaw up to 2026.2.13. The affected element is the function sendMediaFeishu. Executing a manipulation can lead to server-side request forgery. This vulnerability is handled as CVE-2026-28451. The attack can be executed remotely. There is not any exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability has been found in OpenClaw up to 2026.2.13 and classified as critical. This vulnerability affects the function sendMediaFeishu. The manipulation with an unknown input leads to a server-side request forgery vulnerability. The CWE definition for the vulnerability is CWE-918. The web server receives a URL or similar request from an upstream component and retrieves the contents of this URL, but it does not sufficiently ensure that the request is being sent to the expected destination. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

OpenClaw versions prior to 2026.2.14 contain server-side request forgery vulnerabilities in the Feishu extension that allow attackers to fetch attacker-controlled remote URLs without SSRF protections via sendMediaFeishu function and markdown image processing. Attackers can influence tool calls through direct manipulation or prompt injection to trigger requests to internal services and re-upload responses as Feishu media.

The advisory is available at github.com. This vulnerability was named CVE-2026-28451 since 02/27/2026. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Technical details are known, but there is no available exploit.

Upgrading to version 2026.2.14 eliminates this vulnerability. Applying the patch 5b4121d6011a48c71e747e3c18197f180b872c5d 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.

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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: 8.3
VulDB Meta Temp Score: 8.2

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 9.3
NVD Vector: 🔒

CNA Base Score: 8.3
CNA Vector (VulnCheck): 🔒

CVSSv2info

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

Exploitinginfo

Class: Server-side request forgery
CWE: CWE-918
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
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 2026.2.14
Patch: 5b4121d6011a48c71e747e3c18197f180b872c5d

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-x22m-j5qq-j49m
Status: Confirmed

CVE: CVE-2026-28451 (🔒)
GCVE (CVE): GCVE-0-2026-28451
GCVE (VulDB): GCVE-100-349366

Entryinfo

Created: 03/06/2026 07:40
Updated: 03/11/2026 22:38
Changes: 03/06/2026 07:40 (78), 03/08/2026 00:04 (6), 03/10/2026 13:40 (1), 03/11/2026 22:38 (11)
Complete: 🔍
Cache ID: 216::103

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