Detections
Analytics

SCA: security update for dfir-unfurl (GHSA-h5qv-qjv4-pc5m)

high Tenable Cloud Security Plugin ID 440173

Description

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

 - Unfurl before 2026.04 contains an unbounded zlib decompression vulnerability in parse_compressed.py that
 allows remote attackers to cause denial of service. Attackers can submit highly compressed payloads via
 URL parameters to the /json/visjs endpoint that expand to gigabytes, exhausting server memory and crashing
 the service. (CVE-2026-40036)

Solution

Update the dfir-unfurl library and its related packages to version 20260405 or later.

See Also

https://github.com/advisories/GHSA-h5qv-qjv4-pc5m

Plugin Details

Severity: High

ID: 440173

Version: Revision 1.6

Type: Local

Family: SCA Checks

Published: 4/10/2026

Updated: 7/2/2026

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

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.93

Vendor

Vendor Severity: High

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.1

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

CVSS Score Source: CVE-2026-40036

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.7

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

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

CVSS v4

Risk Factor: High

Base Score: 8.7

Threat Score: 7.7

Threat Vector: CVSS:4.0/E:P

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

Vulnerability Information

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 1/29/2026

Vulnerability Publication Date: 1/29/2026

Reference Information

CVE: CVE-2026-40036