Incorrect access control in the /admin/api/config component of Filestash v0.4.0 allows…
Priority HIGH 70CWE-284Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and GitHub. Impact type from CWE-284.
Summary
Incorrect access control in the /admin/api/config component of Filestash v0.4.0 allows attackers to escalate privileges via sending a crafted request.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00326 25th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- 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 |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
| — | github.com/mickael-kerjean/filestash (Go) | up to 0.2.2-0.20260827111952-cbcd1e96ebc7 | — | No fix listed | GHSA-rcqf-cpv9-g5jf |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- github.com/mickael-kerjean/filestash (Go) Vendor— Affected up to 0.2.2-0.20260827111952-cbcd1e96ebc7 Fixed in — No fix listed GHSA-rcqf-cpv9-g5jf
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-50891
- 2026-10-03 Alias added: GHSA-rcqf-cpv9-g5jf
References
Sources
- CVE-2026-50891 · CVE Program
- CVE-2026-50891 · NVD
- FIRST EPSS
- GHSA-rcqf-cpv9-g5jf · GitHub Advisory Database · CC BY 4.0
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