Is this vulnerability remotely exploitable over the network?

Yes, if the Prometheus HTTP server and the `/-/config` endpoint are reachable from an attacker's network location. Anyone with HTTP access to that endpoint can potentially retrieve the configuration and see the client secret in cleartext.

Does an attacker need authentication to exploit this issue?

It depends on how Prometheus is deployed. In many environments, internal Prometheus instances are accessible without strong authentication on diagnostic endpoints. If the `/-/config` endpoint is unprotected or reachable by untrusted parties, no additional authentication may be required.

What is the safest general fix pattern for developers?

Treat all credentials and sensitive tokens as first-class secrets in the data model, using dedicated secret types that are automatically redacted or excluded from logs and diagnostics. Avoid representing secrets as plain strings in any structure that may be serialized or exposed via HTTP or logs.

Severity:

HIGH RISK

(7.5)

Sensitive Information Exposure (CWE-200) in Prometheus Azure AD Remote Write OAuth Configuration

CVE-2026-42151

Published:

May 4, 2026

Status:

Received

Summary

Affected Context

Exploit Preconditions

Why This Happens

Potential Impact

General Mitigation Guidance

How Teams Detect Issues Like This

Frequently Asked Questions

Source

NDV

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May 6, 2026

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HIGH RISK

HIGH

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Privilege Escalation via Bypassed Access Control

May 6, 2026

Vulnerability Type

Category:

Sensitive Data Exposure

CWE:

CWE-200;CWE-312

Impact:

Credential Disclosure / Sensitive Information Exposure

Severity:

HIGH RISK

(7.5)

CVSS Version:

3.1

Vulnerability Type

Category:

Sensitive Data Exposure

CWE:

CWE-200;CWE-312

Impact:

Credential Disclosure / Sensitive Information Exposure

Severity:

HIGH RISK

(7.5)

CVSS Version:

3.1

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Defensive + offensive security.

From first line of code to a pentest
that knows every line of it.

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Sensitive Information Exposure (CWE-200) in Prometheus Azure AD Remote Write OAuth Configuration

Summary

Affected Context

Exploit Preconditions

Why This Happens

Potential Impact

General Mitigation Guidance

How Teams Detect Issues Like This

Frequently Asked Questions

Source

Recent Vulnerabilities

HIGH RISK

HIGH

(8.6)

Server-Side Request Forgery (CWE-918) in OpenClaw Zalo Plugin sendPhoto

HIGH RISK

HIGH

(8.8)

Authorization Bypass (CWE-863) in OpenClaw Matrix Room Control Commands

Vulnerability Type

Vulnerability Type

Vulnerability Type

Catch This CVE While Code Is Being Written

Ship clean & secure code faster

Ship clean & secure code faster

Ship clean & secure code faster

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