CVE-2023-26435 json
It was possible to call filesystem and network references using the local LibreOffice instance using manipulated ODT documents.
published 2023-06-20 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-30255
- cvss
- 5.0
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.8%
- EPSS 0.8% chance of exploitation in 30 days, percentile 56%
- public exploits
- 0
- none known
Summary
It was possible to call filesystem and network references using the local LibreOffice instance using manipulated ODT documents. Attackers could discover restricted network topology and services as well as including local files with read permissions of the open-xchange system user. This was limited to specific file-types, like images. We have improved existing content filters and validators to avoid including any local resources. No publicly available exploits are known.
Patch / fix
- open-xchange open-xchange_appsuite_backend 7.10.6
Exploit prediction
0.78% chance of exploitation in the next 30 days, higher than 56% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 5.0 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N |
| NVD | 3.1 | 5.0 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N |
Affected products
- OX Software GmbH OX App Suite
Classification
- Weakness
-
- CWE-918 Server-Side Request Forgery
References
-
documentation.open-xchange.com
/appsuite/security/advisories/csaf/2023/oxas-adv-2023-0002.json
vendor-advisory
-
software.open-xchange.com
/products/appsuite/doc/Release_Notes_for_Patch_Release_6219_7.10.6_2023-03-20.pdf
release-notes
-
seclists.org
/fulldisclosure/2023/Jun/8
mailing-list, third-party-advisory
-
packetstormsecurity.com
/files/173083/OX-App-Suite-SSRF-Resource-Consumption-Command-Injection.html
third-party-advisory, vdb-entry
Sources
- CVE List CVE-2023-26435
- NVD CVE-2023-26435
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