HerikLyma CPPWebFramework path traversal
Priority HIGH 70CWE-22Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- Low · None · None
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-22 and the CVSS impact.
Summary
A vulnerability was detected in HerikLyma CPPWebFramework up to 3.1. This issue affects some unknown processing. Performing a manipulation results in path traversal. Remote exploitation of the attack is possible. The exploit is now public and may be used. The project was informed of the problem early through an issue report but has not responded yet.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00498 42nd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix No fix listed No fixed version in the sources yet
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
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-5638
- 2026-10-03 Alias added: GHSA-gmx4-p9gm-fxcw
- 2026-10-25 EPSS moved to the below the 50th percentile
References
Sources
- CVE-2026-5638 · CVE Program
- CVE-2026-5638 · NVD
- FIRST EPSS
- GHSA-gmx4-p9gm-fxcw · GitHub Advisory Database · CC BY 4.0
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