Security readout for executives and security teams
Plain-English summary
CVE-2026-3053 is an authentication weakness in DataLinkDC dinky OpenAPI handling through version 1.2.5. A remote attacker may reach functions that should require authentication. Public exploit information exists, but the provided sources do not show confirmed active exploitation or a vendor fix.
Executive priority
Prioritize within the current remediation cycle if dinky is deployed, and urgently if exposed to the internet. Public exploit disclosure raises risk, but lack of confirmed active exploitation and absent vendor guidance require careful validation before disruption.
Technical view
The issue affects addInterceptors in dinky-admin/src/main/java/org/dinky/configure/AppConfig.java for the OpenAPI Endpoint component. It is classified as CWE-287 and CWE-306, with CVSS 7.5 under CVSS v2. Affected versions listed are 1.2.0 through 1.2.5. VulDB states the vendor did not respond to early disclosure.
Likely exposure
Organizations running DataLinkDC dinky versions 1.2.0 through 1.2.5 are potentially exposed, especially where the dinky admin or OpenAPI endpoint is reachable from untrusted networks. Exposure is lower if access is strongly restricted by network controls or external authentication.
Exploitation context
The source bundle says remote attack is possible and exploit details have been publicly disclosed. CISA KEV status is false in the provided data, and no cited source confirms active exploitation. Treat this as a credible public-risk vulnerability, not a confirmed exploited-in-the-wild case.
Researcher notes
Evidence is mainly from CVE/VulDB records and a public GitHub issue. No official vendor advisory or patch is cited in the provided sources. Avoid assuming all dinky components are affected beyond the OpenAPI Endpoint/AppConfig.java addInterceptors issue described.
Mitigation direction
- Identify any DataLinkDC dinky deployments and confirm their exact versions.
- Check DataLinkDC project or vendor channels for patched versions or official guidance.
- Restrict dinky admin and OpenAPI endpoint access to trusted networks only.
- Place external authentication or access control in front of exposed endpoints where feasible.
- Monitor for unexpected unauthenticated access attempts against dinky OpenAPI routes.
Validation and detection
- Verify whether any instance runs dinky 1.2.0 through 1.2.5.
- Confirm whether dinky admin or OpenAPI endpoints are internet-accessible.
- Review configuration for authentication enforcement on OpenAPI-related paths.
- Check access logs for unusual unauthenticated requests to dinky admin or OpenAPI endpoints.
- Track the referenced GitHub issue and CVE/VulDB records for updates.
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
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
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-287: Credential and account abuse lookup
Authentication and credential weaknesses can make valid-account abuse and credential telemetry useful review starting points. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCWE-306: Credential and account abuse lookup
Authentication and credential weaknesses can make valid-account abuse and credential telemetry useful review starting points. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2026-3053 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
- High
- CVSS
- 7.5 (2.0)
- Known Exploited
- No
- Published
Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:ND/RC:UR
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 vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
AV:N/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:ND/RC:UR106.4Primary CVE scoreVulnerability scoring details
Base CVSS 2.0 score
7.5HighVector: AV:N/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:ND/RC:UR
Source materials
- CVE List V5 sourceCVE List V5
- VDB-347411 | DataLinkDC dinky OpenAPI Endpoint AppConfig.java addInterceptors missing authenticationCVE reference · vdb-entry, technical-description
- VDB-347411 | CTI Indicators (IOB, IOC, IOA)CVE reference · signature, permissions-required
- Submit #757589 | DataLinkDC Dinky <=1.2.5 Authentication Bypass IssuesCVE reference · third-party-advisory
- https://github.com/AnalogyC0de/public_exp/issues/6CVE reference · issue-tracking, exploit
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.
Improper Authentication
Improper Authentication represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.
Missing Authentication for Critical Function
Missing Authentication for Critical Function represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.