Vulnerability Database

413,619

Total vulnerabilities in the database

CVE-2026-105849 — payload

Insertion of Sensitive Information Into Sent Data

Payload is a free and open source headless content management system. In versions from 3.0.0 before 3.90.0 and canary versions before 4.0.0-canary.34, users with ordinary read access to other authentication documents in a collection with useAPIKey enabled can obtain active API keys and exercise the target accounts' permissions until those keys are rotated or disabled. This issue is fixed in versions 3.90.0 and 4.0.0-canary.34.

CVSS v3:

  • Severity: High
  • Score: 8.3
  • AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L
Software Affected versions
Node.js icon payload >= 3.0.0, < 3.90.0
Node.js icon payload >= 4.0.0-canary.0, < 4.0.0-canary.34
payloadcms / payload >= 3.0.0, < 3.90.0
payloadcms / payload = 4.0.0-canary0
payloadcms / payload = 4.0.0-canary1
payloadcms / payload = 4.0.0-canary10
payloadcms / payload = 4.0.0-canary11
payloadcms / payload = 4.0.0-canary12
payloadcms / payload = 4.0.0-canary13
payloadcms / payload = 4.0.0-canary14
payloadcms / payload = 4.0.0-canary15
payloadcms / payload = 4.0.0-canary16
payloadcms / payload = 4.0.0-canary17
payloadcms / payload = 4.0.0-canary18
payloadcms / payload = 4.0.0-canary19
payloadcms / payload = 4.0.0-canary2
payloadcms / payload = 4.0.0-canary20
payloadcms / payload = 4.0.0-canary21
payloadcms / payload = 4.0.0-canary22
payloadcms / payload = 4.0.0-canary23
payloadcms / payload = 4.0.0-canary24
payloadcms / payload = 4.0.0-canary25
payloadcms / payload = 4.0.0-canary26
payloadcms / payload = 4.0.0-canary27
payloadcms / payload = 4.0.0-canary28
payloadcms / payload = 4.0.0-canary29
payloadcms / payload = 4.0.0-canary3
payloadcms / payload = 4.0.0-canary30
payloadcms / payload = 4.0.0-canary31
payloadcms / payload = 4.0.0-canary32
payloadcms / payload = 4.0.0-canary33
payloadcms / payload = 4.0.0-canary4
payloadcms / payload = 4.0.0-canary5
payloadcms / payload = 4.0.0-canary6
payloadcms / payload = 4.0.0-canary7
payloadcms / payload = 4.0.0-canary8
payloadcms / payload = 4.0.0-canary9

Is CVE-2026-105849 exposed on your perimeter?

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Frequently Asked Questions

A security vulnerability is a weakness in software, hardware, or configuration that can be exploited to compromise confidentiality, integrity, or availability. Many vulnerabilities are tracked as CVEs (Common Vulnerabilities and Exposures), which provide a standardized identifier so teams can coordinate patching, mitigation, and risk assessment across tools and vendors.

CVSS (Common Vulnerability Scoring System) estimates technical severity, but it doesn't automatically equal business risk. Prioritize using context like internet exposure, affected asset criticality, known exploitation (proof-of-concept or in-the-wild), and whether compensating controls exist. A "Medium" CVSS on an exposed, production system can be more urgent than a "Critical" on an isolated, non-production host.

A vulnerability is the underlying weakness. An exploit is the method or code used to take advantage of it. A zero-day is a vulnerability that is unknown to the vendor or has no publicly available fix when attackers begin using it. In practice, risk increases sharply when exploitation becomes reliable or widespread.

Recurring findings usually come from incomplete Asset Discovery, inconsistent patch management, inherited images, and configuration drift. In modern environments, you also need to watch the software supply chain: dependencies, containers, build pipelines, and third-party services can reintroduce the same weakness even after you patch a single host. Unknown or unmanaged assets (often called Shadow IT) are a common reason the same issues resurface.

Use a simple, repeatable triage model: focus first on externally exposed assets, high-value systems (identity, VPN, email, production), vulnerabilities with known exploits, and issues that enable remote code execution or privilege escalation. Then enforce patch SLAs and track progress using consistent metrics so remediation is steady, not reactive.

SynScan combines attack surface monitoring and continuous security auditing to keep your inventory current, flag high-impact vulnerabilities early, and help you turn raw findings into a practical remediation plan.