Path traversal in Allegra
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
Allegra downloadExportedChart Directory Traversal Authentication Bypass Vulnerability. This vulnerability allows remote attackers to bypass authentication on affected installations of Allegra. Authentication is not required to exploit this vulnerability. The specific flaw exists within the downloadExportedChart action. The issue results from the lack of proper validation of a user-supplied path prior to using it in file operations. An attacker can leverage this vulnerability to bypass authentication on the system. Was ZDI-CAN-22361.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
No fixed version listed by the sources yet.
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Advisory ·
Allegra — vendor-provided URL
14 records Highest priority Priority MEDIUM 5 MEDIUM, 9 LOW
Other records, highest priority first
- TI-2023-28289 Hard-coded credentials in AllegraPriority MEDIUM 52
- TI-2023-28717 Path traversal in AllegraPriority MEDIUM 44
- TI-2023-28295 Improper access control in AllegraPriority MEDIUM 44
Timeline
- 2026-10-02 Threatist record created from CVE-2023-51639
- 2026-10-03 Alias added: GHSA-g8p3-q878-476h
References
Advisory 2
More Allegra vulnerabilities
- TI-2025-05624 Weak password recovery in Allegra CVSS 3.0CRITICAL 9.8
- TI-2023-28289 Hard-coded credentials in Allegra CVSS 3.1CRITICAL 9.8
- TI-2025-03063 Path traversal in Allegra CVSS 3.1HIGH 8.8
- TI-2023-28717 Path traversal in Allegra CVSS 3.1HIGH 7.3
- TI-2023-28295 Improper access control in Allegra CVSS 3.1HIGH 7.3
- TI-2025-03064 Path traversal in Allegra CVSS 3.1HIGH 8.8
Sources
- CVE-2023-51639 · CVE Program
- CVE-2023-51639 · NVD
- FIRST EPSS
- GHSA-g8p3-q878-476h · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences