Security readout for executives and security teams
Plain-English summary
CVE-2026-24140 is a low-severity settings-management flaw in MyTube. A highly privileged user could submit unexpected settings fields that the application saves without checking whether they are legitimate. Business impact appears limited to low integrity risk, but self-hosted instances should verify version status and apply the vendor fix.
Executive priority
Treat as routine patching unless MyTube settings administration is exposed to many users or untrusted administrators. Prioritize version verification because the source text has a fixed-version inconsistency. This is not currently an emergency based on available evidence.
Technical view
MyTube before the fixed release has a CWE-915 mass-assignment issue in saveSettings(). The function accepts Record<string, any>, iterates Object.entries(), and persists arbitrary key-value pairs without an allowlist. CVSS 3.1 is 2.7: network reachable, low complexity, high privileges required, no confidentiality or availability impact, low integrity impact.
Likely exposure
Exposure is limited to MyTube deployments with settings-management access available to high-privilege users. Public sources list affected versions as below 1.7.79, while the description also says fixed in 1.7.78; verify the exact fixed version against the GitHub advisory before closing remediation.
Exploitation context
No active exploitation is indicated in the provided sources, and the CVE is not listed as KEV. Exploitation requires high privileges and targets settings persistence rather than direct data theft or service outage. The main concern is unauthorized configuration or database state changes by an already privileged actor.
Researcher notes
The issue is source-level mass assignment in settings persistence. The public description identifies missing property-name validation and direct database persistence of arbitrary submitted fields. Avoid assuming privilege escalation or sensitive-data exposure without further evidence. Fixed-version metadata conflicts between “1.7.78” wording and affected “< 1.7.79.”
Mitigation direction
- Check the GitHub advisory for the authoritative fixed version.
- Upgrade MyTube to the vendor-fixed release.
- Restrict settings-management access to trusted administrators only.
- Review saved settings for unexpected or unauthorized keys.
- Monitor future MyTube advisories for clarification on affected versions.
Validation and detection
- Inventory all self-hosted MyTube instances and versions.
- Confirm instances are not running versions listed as affected.
- Verify the installed build includes the referenced fix commit.
- Review database settings records for arbitrary unexpected fields.
- Confirm only approved administrators can access settings management.
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-915: 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 lookupDatabase behavior lookup
The CVE wording references database injection or access, so collection and exfiltration review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2026-24140 mapping review
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Open ATT&CK lookup- Severity
- Low
- CVSS
- 2.7 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/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.
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:H/UI:N/S:U/C:N/I:L/A:N1.21.4Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
2.7LowVector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/franklioxygen/MyTube/security/advisories/GHSA-c938-x24g-fxcxCVE reference · x_refsource_CONFIRM
- https://github.com/franklioxygen/MyTube/commit/9d737cb373f7af3e5c92d458e2832caf817b6de6CVE 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.
Improperly Controlled Modification of Dynamically-Determined Object Attributes
Improperly Controlled Modification of Dynamically-Determined Object Attributes represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.