Security readout for executives and security teams
Plain-English summary
CVE-2026-36387 is a reported file-upload flaw in CODEASTRO Membership Management System v1.0. Improper sanitization in /add_members.php can allow a remote attacker to upload malicious files, leading to remote code execution. The public CVE rates it medium, but exposure is more serious for internet-facing installations.
Executive priority
Prioritize review if this software handles member data or is internet-facing. Although rated medium, remote code execution through file upload can enable server compromise. If not deployed, document non-exposure and monitor for corrected vendor details.
Technical view
The issue is classified as CWE-434: unrestricted upload of dangerous file type. The CVSS 3.1 vector is AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N, score 6.5. The source bundle identifies /add_members.php upload handling as the vulnerable area. Product metadata in the CVE record is incomplete.
Likely exposure
Organizations using CODEASTRO Membership Management System v1.0 may be exposed, especially if the application is reachable from the internet. The CVE affected-product fields are listed as n/a, so confirm deployments by application name and version rather than CPE matching.
Exploitation context
The CVE describes unauthenticated network exploitation with low attack complexity and no user interaction. There is no KEV listing and no cited source in the bundle confirming active exploitation in the wild.
Researcher notes
Evidence is limited to the CVE description and one GitHub reference. The CVE record lacks normalized vendor, product, version, and CPE data. No patch, workaround, or active exploitation evidence is provided in the supplied sources.
Mitigation direction
- Identify any CODEASTRO Membership Management System v1.0 deployments.
- Restrict public access to the application until vendor guidance is reviewed.
- Check the referenced advisory and vendor/project channels for fixes or safe updates.
- Review upload controls for strict file type, extension, and execution restrictions.
- Monitor web directories and logs for suspicious uploaded files.
Validation and detection
- Confirm whether /add_members.php exists in deployed instances.
- Verify application version against CODEASTRO Membership Management System v1.0.
- Review upload handling without using malicious payloads.
- Check whether uploaded files can be executed by the web server.
- Look for unexpected files in upload-accessible directories.
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-434: File access and web shell behavior lookup
File traversal and upload weaknesses can lead teams to review file, web shell, execution, and collection telemetry. 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 lookupExecution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupFile access behavior lookup
The CVE wording references file access or upload behavior, so file telemetry and web shell review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2026-36387 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
- Medium
- CVSS
- 6.5 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/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.
SSVC decision data
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:L/I:L/A:N3.92.5CISA-ADPVulnerability scoring details
Base CVSS 3.1 score
6.5MediumVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- CVE publishedCVE Program
The CVE record was published.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/raneishajustin/CVE/tree/main/CVE-2026-36387CVE reference, mitre
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.