Security readout for executives and security teams
Plain-English summary
CVE-2026-24874 is a critical type-confusion flaw in themrdemonized xray-monolith. The record says versions before 2025.12.30 are affected. If the application is reachable over a network, an unauthenticated attacker may be able to compromise confidentiality and integrity. No active exploitation is reported in the provided sources.
Executive priority
Prioritize within the next remediation cycle, sooner for internet-facing or business-critical deployments. The severity is critical because the CVSS score indicates unauthenticated network exploitation with high confidentiality and integrity impact, but current sources do not confirm active exploitation.
Technical view
The CVE describes CWE-843, access of a resource using an incompatible type, in xray-monolith before 2025.12.30. CVSS 3.1 is 9.1 with AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N. Public technical detail is limited; the GitHub pull request is the main referenced engineering artifact.
Likely exposure
Organizations running themrdemonized xray-monolith versions earlier than 2025.12.30 should treat deployments as potentially exposed, especially where network access is possible. The CVE metadata lists default status as unaffected but separately states the affected range as before 2025.12.30, so inventory confirmation is important.
Exploitation context
The source bundle does not show CISA KEV listing or confirmed active exploitation. The CVSS vector indicates exploitation is potentially remote, low complexity, unauthenticated, and requires no user interaction. Do not assume exploit availability from the provided evidence alone.
Researcher notes
Evidence is sparse. The CVE names type confusion and points to GitHub PR #399, but the bundle does not include exploit details or a full vendor advisory. The affected-version statement and default-status field should be reconciled during triage.
Mitigation direction
- Identify all xray-monolith deployments and record their exact versions.
- Upgrade to 2025.12.30 or later if available from the project.
- Review the referenced GitHub pull request and project guidance for fix details.
- Restrict network exposure until remediation is confirmed.
- Monitor the CVE record and repository for updated advisories.
Validation and detection
- Confirm whether any installed version is earlier than 2025.12.30.
- Check build artifacts or package metadata against the project repository.
- Verify the referenced pull request or later fix is present in deployed code.
- Confirm exposed services are limited to intended networks.
- Document remediation status for each deployment.
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-843: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. 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-2026-24874 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
- Critical
- CVSS
- 9.1 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
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.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N3.95.2Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
9.1CriticalVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/themrdemonized/xray-monolith/pull/399CVE reference
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.
Access of Resource Using Incompatible Type ('Type Confusion')
Access of Resource Using Incompatible Type ('Type Confusion') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.