Security readout for executives and security teams
Plain-English summary
Hasura GraphQL Engine before 1.0.0-beta.3 had a JWT verification flaw involving the audience check. In plain terms, the service could make an incorrect trust decision about who a token was meant for. The public record does not provide CVSS, CWE, or detailed impact.
Executive priority
Handle during normal vulnerability remediation, with higher priority for exposed GraphQL services using JWT authentication. The lack of CVSS and exploitation evidence lowers urgency, but authentication validation issues can affect access control if present in production.
Technical view
CVE-2019-1020015 affects graphql-engine, also known as Hasura GraphQL Engine, versions before 1.0.0-beta.3. The flaw is described as mishandling the audience check during JWT verification. The available sources identify the fixed boundary and a Hasura commit, but do not describe exploit prerequisites or runtime configurations.
Likely exposure
Exposure is most relevant where affected Hasura versions use JWT authentication and depend on audience validation for authorization boundaries. Systems not using affected versions, or not using JWT verification, are less likely to be exposed based on the provided evidence.
Exploitation context
The provided sources do not report active exploitation, public exploit availability, or KEV listing. The issue should be treated as an authentication validation risk, but operational exploitability cannot be confirmed from the bundle alone.
Researcher notes
The public description is terse and lacks CVSS, CWE, exploit status, and detailed impact analysis. Avoid assuming token bypass scope beyond audience-check mishandling. Use the referenced commit and vendor history to understand exact behavior before writing detections or exceptions.
Mitigation direction
- Upgrade Hasura GraphQL Engine to 1.0.0-beta.3 or later.
- Review Hasura vendor guidance and the referenced fix commit.
- Inventory deployments using JWT authentication on affected versions.
- Prioritize internet-facing or multi-tenant GraphQL deployments.
Validation and detection
- Confirm deployed Hasura GraphQL Engine versions.
- Check whether JWT authentication is enabled.
- Review JWT audience validation requirements in configuration.
- Verify remediation by confirming version is 1.0.0-beta.3 or later.
Public sources used
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
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ATT&CK lookup starting points
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CVE-2019-1020015 mapping review
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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/hasura/graphql-engine/commit/f2f14e727b051e3003ba44b9b63eab8186b291acCVE 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.