Detections
Analytics

SCA: security update for openclaw (GHSA-p536-vvpp-9mc8)

medium Tenable Cloud Security Plugin ID 437894

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

 - OpenClaw versions prior to 2026.2.15 contain a denial of service vulnerability in the web_fetch tool that
 allows attackers to crash the Gateway process through memory exhaustion by parsing oversized or deeply
 nested HTML responses. Remote attackers can social-engineer users into fetching malicious URLs with
 pathological HTML structures to exhaust server memory and cause service unavailability. (CVE-2026-28394)

See Also

https://github.com/advisories/GHSA-p536-vvpp-9mc8

Plugin Details

Severity: Medium

ID: 437894

Version: Revision 1.9

Type: Local

Family: SCA Checks

Published: 2/20/2026

Updated: 7/2/2026

Supported Sensors: Tenable Cloud Security, Tenable Self-Hosted Container Security

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.45

Vendor

Vendor Severity: Medium

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 5.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C

CVSS Score Source: CVE-2026-28394

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.7

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

CVSS v4

Risk Factor: Medium

Base Score: 6.9

Threat Score: 4.6

Threat Vector: CVSS:4.0/E:U

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

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 2/19/2026

Vulnerability Publication Date: 2/19/2026

Reference Information

CVE: CVE-2026-28394

cwe: CWE-400