Security readout for executives and security teams
Plain-English summary
Runtipi versions 3.7.0 through before 4.7.0 have a high-severity flaw in backup handling. An authenticated user can craft an uploaded backup filename so that, during restore, the host may execute unintended system commands. This affects the server running Runtipi, not just an individual app container. Version 4.7.0 fixes the issue.
Executive priority
Treat as a near-term remediation item for any Runtipi server with multiple administrators or remote management exposure. Prioritize upgrade to 4.7.0 because compromise could reach the host server. Urgency is reduced if access is tightly restricted and no untrusted users can manage backups.
Technical view
CVE-2026-24129 is a CWE-78 command injection in Runtipi BackupManager. User-uploaded backup files were persisted using the raw original filename, allowing shell metacharacters in filenames to be later referenced by restore logic and interpreted as commands. CVSS 3.1 is 8.1, with network attack vector, high complexity, high privileges required, and changed scope.
Likely exposure
Exposure is limited to Runtipi deployments running versions >=3.7.0 and <4.7.0 where an attacker can authenticate with sufficient access to upload or restore backups. Internet exposure increases business risk, but the source indicates high privileges and high attack complexity are required.
Exploitation context
The CVE is not listed as CISA KEV in the provided data, and no cited source states active exploitation. The issue requires authenticated access and a backup/restore workflow. Successful exploitation could compromise confidentiality, integrity, and availability of the host system.
Researcher notes
The advisory attributes the root cause to unsanitized original filenames saved to the host filesystem and later consumed by restore command construction. The provided sources identify the affected range and fix version but do not provide evidence of exploitation in the wild. Avoid testing with live exploit patterns outside authorized lab environments.
Mitigation direction
- Upgrade Runtipi to version 4.7.0 or later.
- Restrict Runtipi administrative access to trusted users only.
- Limit network exposure of Runtipi management interfaces.
- Review vendor advisory and release notes before applying changes.
- If immediate upgrade is impossible, check vendor guidance for supported temporary mitigations.
Validation and detection
- Inventory Runtipi instances and record installed versions.
- Confirm no instance runs versions 3.7.0 through 4.6.x.
- Verify upgrade completion to version 4.7.0 or later.
- Review backup upload and restore access permissions.
- Check logs for suspicious backup filenames or restore activity.
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-78: Command execution behavior lookup
Command injection weaknesses can lead defenders to review execution techniques and command interpreter 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 lookupContainer behavior lookup
The affected technology mentions containers, so container-specific ATT&CK technique review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2026-24129 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
- 8.1 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
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:H/PR:H/UI:N/S:C/C:H/I:H/A:H1.36Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
8.1HighVector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/runtipi/runtipi/security/advisories/GHSA-vrgf-rcj5-6gv9CVE reference · x_refsource_CONFIRM
- https://github.com/runtipi/runtipi/commit/c3aa948885554a370d374692158a3bfe1cfdc85aCVE reference · x_refsource_MISC
- https://github.com/runtipi/runtipi/releases/tag/v4.7.0CVE 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.
Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.