What’s Vulnerable › Vulnerabilities

CVE-2023-26735

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-04-26 · updated 2026-07-09
• Weakness: CWE-918

Description

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.

Affected products

• prometheus Blackbox Exporter: 0.23.0

References

• https://github.com/prometheus/blackbox_exporter#tls-and-basic-authentication
• https://github.com/prometheus/blackbox_exporter/issues/1024
• https://github.com/prometheus/blackbox_exporter/issues/1025
• https://github.com/prometheus/blackbox_exporter/issues/1026
• https://github.com/prometheus/blackbox_exporter#tls-and-basic-authentication
• https://github.com/prometheus/blackbox_exporter/issues/1024
• https://github.com/prometheus/blackbox_exporter/issues/1025
• https://github.com/prometheus/blackbox_exporter/issues/1026
• https://github.com/prometheus/blackbox_exporter#tls-and-basic-authentication

Get alerted when CVE-2023-26735 or the next vulnerability affects your stack