CVE-2026-77706 json
Denial of Service via Maliciously Compressed Spreadsheet File in Fileorbis's FileOrbis NextGen FileServer
published yesterday modified yesterday also EUVD-2026-125341
- cvss
- 6.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.2%
- EPSS 0.2% chance of exploitation in 30 days, percentile 14%
- public exploits
- 0
- none known
Summary
Improper handling of highly compressed data (data amplification) vulnerability in Fileorbis Bilişim Hizmetleri Ticaret Anonim Şirketi FileOrbis NextGen FileServer allows Sustained Client Engagement.
This issue affects FileOrbis NextGen FileServer: before 12.7.
Patch / fix
- Fileorbis Bilişim Hizmetleri Ticaret Anonim Şirketi FileOrbis NextGen FileServer 12.7
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Check with FencerExploit prediction
0.24% chance of exploitation in the next 30 days, higher than 14% of all scored CVEs (FIRST EPSS, 2026-11-14).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
| NVD | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
Affected products
- Fileorbis Bilişim Hizmetleri Ticaret Anonim Şirketi FileOrbis NextGen FileServer
Classification
- Weakness
-
- CWE-409 Improper Handling of Highly Compressed Data (Data Amplification)
References
-
siberguvenlik.gov.tr
/guvenlik-bildirimleri/detay/tr-26-1540
government-resource
Sources
- CVE List CVE-2026-77706
- NVD CVE-2026-77706
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