Security readout for executives and security teams
This CVE concerns NATS client libraries that could disclose credentials from a client to a server. The public bundle does not provide CVSS, CWE, exploit details, or broad impact data. Treat this as a credential-protection issue for applications using the listed NATS JavaScript, WebSocket, or Deno client versions. Exposure is most likely in applications that use the affected NATS client libraries and authenticate to NATS servers. The provided evidence does not indicate that standalone NATS servers, unrelated clients, or other NATS ecosystem components are affected. Prioritize targeted inventory and upgrade where these NATS clients are used with credentials. Business urgency depends on whether affected clients connected to servers that should not receive those credentials. There is no sourced evidence of active exploitation in the provided bundle. Mitigation focus: Inventory nats.js, nats.ws, and nats.deno dependencies across applications.; Upgrade beyond nats.js 2.0.0-209, nats.ws 1.0.0-111, and nats.deno 1.0.0-9.; Review vendor commit and release guidance before deploying fixes..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
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Credential and access behavior lookup
The CVE wording references authentication or credential exposure, so valid-account and credential-access review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2020-26149 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/nats-io/nats.deno/compare/v1.0.0-8...v1.0.0-9CVE reference · x_refsource_MISC
- https://github.com/nats-io/nats.ws/commit/0a37ac2a411ff63f0707cda69a268c5fc4079eb7CVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.