Konga < 2.1.0 Privilege Escalation via Hardcoded OpenSSL Path
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-427.
Summary
Konga before 2.1.0 contains a privilege escalation vulnerability that allows low-privileged local attackers to execute arbitrary code by planting attacker-controlled OpenSSL configuration or library files in a hardcoded filesystem path absent from default installations. On Windows, the missing directory resides in a location writable by any authenticated local user, enabling attackers to create the directory and place malicious files that execute at the privilege level of the user or service account that launches Konga, facilitating privilege escalation.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
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 |
|---|---|---|---|---|---|
| EASYBYTE Software | Konga | before 2.1.0 | 2.1.0 | Patch available | CNA |
- Konga VendorEASYBYTE Software Affected before 2.1.0 Fixed in 2.1.0 Patch available CNA
Remediation
- Fix · CNA Konga (EASYBYTE Software) Fixed in 2.1.0
Timeline
- 2026-10-02 Threatist record created from CVE-2026-45221
- 2026-10-03 Alias added: GHSA-cmgw-8j2g-5pmj
References
Patch 1
Other 1
Sources
- CVE-2026-45221 · CVE Program
- CVE-2026-45221 · NVD
- FIRST EPSS
- GHSA-cmgw-8j2g-5pmj · GitHub Advisory Database · CC BY 4.0
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