CVE-2026-28506

Outline is a service that allows for collaborative documentation.

Verified by Precogs Threat Research
Last Updated: Mar 19, 2026
Base Score
4.3MEDIUM

Executive Summary

CVE-2026-28506 is a medium severity vulnerability affecting pii-secrets, ai-code. It is classified as Information Exposure. Ensure your systems and dependencies are patched immediately to mitigate exposure risks.

Precogs AI Insight

"Precogs PII & Secrets Scanner automatically identifies hardcoded credentials, exposed API keys, and personally identifiable information leaks across repositories, CI/CD pipelines, and deployed artifacts."

Exploit Probability
Low (<10%)
Public POC
Undisclosed
Exploit Probability
Low (<10%)
Public POC
Available
Affected Assets
pii secretsai codeCWE-200

What is this vulnerability?

CVE-2026-28506 is categorized as a critical Sensitive Data Exposure flaw. Based on our vulnerability intelligence, this issue occurs when the application fails to securely handle untrusted data boundaries.

Outline is a service that allows for collaborative documentation. Prior to 1.5.0, the events.list API endpoint, used for retrieving activity logs, contains...

This architectural defect enables adversaries to bypass intended security controls, directly manipulating the application's execution state or data layer. Immediate strategic intervention is required.

Risk Assessment

MetricValue
CVSS Base Score4.3 (MEDIUM)
Vector StringCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
PublishedMarch 17, 2026
Last ModifiedMarch 19, 2026
Related CWEsCWE-200

Impact on Systems

Authentication Bypass: Leaked credentials allow attackers to impersonate legitimate users or systems.

Data Breach: Exposed PII triggers regulatory violations (GDPR/CCPA) and massive reputational damage.

Lateral Movement: Exposed API tokens can be used to pivot deeper into internal infrastructure.

How to fix this issue?

Implement the following strategic mitigations immediately to eliminate the attack surface.

1. Secret Management Migrate all hardcoded secrets to a secure vault (e.g., AWS Secrets Manager, HashiCorp Vault).

2. Data Masking Implement automated redaction for logs to prevent PII/credentials from leaking into observability platforms.

3. Automated Scanning Deploy Precogs Secrets Scanner in pre-commit hooks and CI pipelines to prevent secret commits.

Vulnerability Signature

// Generic Secrets Exposure Vector
// DANGEROUS: Hardcoded secrets in source control or logs
const apiKey = "sk_live_1234567890abcdef";
console.log(`Connecting to API with key $\{apiKey\}`);

// SECURED: Secrets fetched from environment at runtime
const apiKey = process.env.API_SECRET_KEY;
if (!apiKey) throw new Error("API configuration missing");
// Never log secrets
console.log('Connecting to API... [REDACTED]');

References and Sources

Related Vulnerabilitiesvia CWE-200