Detections
Analytics

Echo: prometheus-blackbox-exporter: security update to 0.27.0+e1

high Tenable Self-Hosted Container Security Plugin ID 461821

Description

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

 - blackbox_exporter v0.23.0 was discovered to contain an access control issue in its probe interface. This
 vulnerability allows attackers to detect intranet ports and services, as well as download resources. NOTE:
 this is disputed by third parties because authentication can be configured. (CVE-2023-26735)

Solution

Update the prometheus-blackbox-exporter library and its related packages to version 0.27.0+e1 or later.

See Also

https://advisory.echohq.com/cve/CVE-2023-26735

Plugin Details

Severity: High

ID: 461821

Version: Revision 1.1

Type: Local

Published: 10/2/2026

Updated: 10/2/2026

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.51

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 5.8

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

CVSS Score Source: CVE-2023-26735

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

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

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

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 9/15/2025

Vulnerability Publication Date: 4/25/2023

Reference Information

CVE: CVE-2023-26735