CVE-2023-26735

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Summary

CVECVE-2023-26735
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2023-04-26 00:15:09 UTC
Updated2026-07-09 01:18:10 UTC
Descriptionblackbox_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.

Risk And Classification

Primary CVSS: v3.1 7.5 HIGH from [email protected]

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS: 0.008830000 probability, percentile 0.549510000 (date 2026-07-13)

Problem Types: CWE-918 | n/a | CWE-918 CWE-918 Server-Side Request Forgery (SSRF)

VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary7.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
3.1ADPDECLARED7.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
3.1134c704f-9b21-4f2e-91b3-4a467353bcc0Secondary7.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Prometheus Blackbox Exporter 0.23.0 All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
GitHub - prometheus/blackbox_exporter: Blackbox prober exporter 134c704f-9b21-4f2e-91b3-4a467353bcc0 github.com Product
a fatal bug that can Unauthorized access to the system · Issue #1024 · prometheus/blackbox_exporter · GitHub af854a3a-2127-422b-91ae-364da2661108 github.com Issue Tracking
a fatal bug that can Arbitrary file upload · Issue #1025 · prometheus/blackbox_exporter · GitHub af854a3a-2127-422b-91ae-364da2661108 github.com Issue Tracking
A fatal error that can ssrf · Issue #1026 · prometheus/blackbox_exporter · GitHub af854a3a-2127-422b-91ae-364da2661108 github.com Issue Tracking
blackboxexporter.com MITRE blackboxexporter.com
Prometheus MITRE prometheus.com
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NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
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