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Echo: protobufjs: security update to 7.5.6

high Tenable Self-Hosted Container Security Plugin ID 455337

Description

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

 - protobufjs compiles protobuf definitions into JavaScript (JS) functions. Prior to 7.5.6 and 8.0.2,
 protobufjs generated JavaScript for toObject conversion could include an unsafe expression derived from a
 schema-controlled bytes field default value. A crafted descriptor with a non-string default value for a
 bytes field could cause attacker-controlled code to be emitted into the generated conversion function.
 This vulnerability is fixed in 7.5.6 and 8.0.2. (CVE-2026-44293)

Solution

Update the protobufjs library and its related packages to version 7.5.6 or later.

See Also

https://advisory.echohq.com/cve/CVE-2026-44293

Plugin Details

Severity: High

ID: 455337

Version: Revision 1.1

Type: Local

Published: 10/1/2026

Updated: 10/1/2026

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 58.03

CVSS v2

Risk Factor: High

Base Score: 9

Temporal Score: 6.7

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

CVSS Score Source: CVE-2026-44293

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 7.7

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

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

CVSS v4

Risk Factor: High

Base Score: 7.7

Threat Score: 5.2

Threat Vector: CVSS:4.0/E:U

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

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 9/28/2026

Vulnerability Publication Date: 5/12/2026

Reference Information

CVE: CVE-2026-44293