OliveTin: Unauthenticated Action Termination via KillAction When Guests Must Login
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA and GitHub. Impact type from CWE-284.
Summary
OliveTin gives access to predefined shell commands from a web interface. Prior to version 3000.11.0, OliveTin allows an unauthenticated guest to terminate running actions through KillAction even when authRequireGuestsToLogin: true is enabled. Guests are correctly blocked from dashboard access, but can still call the KillAction RPC directly and successfully stop a running action. This is a broken access control issue that causes unauthorized denial of service against legitimate action executions. This issue has been patched in version 3000.11.0.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| OliveTin | OliveTin | before 3000.11.0 | 3000.11.0 | Patch available | CNA |
| — | github.com/OliveTin/OliveTin (Go) | before 0.0.0-20260302002902-d9804182eae4 | 0.0.0-20260302002902-d9804182eae4 | Patch available | GHSA-4fqm-6fmh-82mq |
- OliveTin VendorOliveTin Affected before 3000.11.0 Fixed in 3000.11.0 Patch available CNA
- github.com/OliveTin/OliveTin (Go) Vendor— Affected before 0.0.0-20260302002902-d9804182eae4 Fixed in 0.0.0-20260302002902-d9804182eae4 Patch available GHSA-4fqm-6fmh-82mq
Remediation
- Fix · CNA OliveTin (OliveTin) Fixed in 3000.11.0
- Fix · GHSA-4fqm-6fmh-82mq github.com/OliveTin/OliveTin (Go) Fixed in 0.0.0-20260302002902-d9804182eae4 Advisory →
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2026-28790
- 2026-10-03 Alias added: GHSA-4fqm-6fmh-82mq
References
More Olivetin vulnerabilities
- TI-2026-23456 OliveTin: JWT Audience Validation Bypass in Local Key and HMAC Modes CVSS 3.1HIGH 8.8
- TI-2026-22008 OS command injection in OliveTin CVSS 3.1CRITICAL 10.0
- TI-2026-22984 OliveTin: Unauthenticated DoS via concurrent map writes in OAuth2 state handling CVSS 3.1HIGH 7.5
- TI-2026-22627 OliveTin: Unauthenticated Denial of Service via Memory Exhaustion in PasswordHash API Endpoint CVSS 3.1HIGH 7.5
- TI-2026-24370 OliveTin's unsafe parsing of UniqueTrackingId can be used to write files CVSS 3.1HIGH 8.5
- TI-2025-32274 OS Command Injection in Olivetin 2025.4.22 Custom Themes via the ParseRequestURI function… CVSS 3.1MEDIUM 6.5
Sources
- CVE-2026-28790 · CVE Program
- CVE-2026-28790 · NVD
- FIRST EPSS
- GHSA-4fqm-6fmh-82mq · GitHub Advisory Database · CC BY 4.0
- CVE-2026-28790 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences