CVE-2023-26435

mediumpriority · track · 20EPSS 0.008 · 56 %ileEURUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.78% (56th) EPSS

CVSS 5 · medium

Is it mine?

4 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · fstec_bdu · nvd

EPSS · scored 2026-10-28

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.

cvss

Technical severity, 0–10. One row per scoring source.

5.0

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.15mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:Nprimary · NVD / NIST USexploitability 3.1 · impact 1.4

v3.15mediumAV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:Nsecondary · FSTEC (BDU) RU

v3.15mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:Nsecondary · ENISA EU

v3.15mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:Nsecondary · security@open-xchange.comexploitability 3.1 · impact 1.4

v3.14.6mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-918USprimaryCWE-918US

affected products (4)

Products and version ranges known to be affected.

OX Software GmbH OX App Suite≤ 0 ≤7.10.6-rev7enisa_euvdEU
Open-Xchange OX App Suite office≤ 7.10.6-rev8fstec_bduRU
open-xchange open-xchange appsuite backend< 7.10.6nvdUScpe:2.3:a:open-xchange:open-xchange_appsuite_backend:*:*:*:*:*:*:*:*
open-xchange open-xchange appsuite backend= 7.10.6nvdUScpe:2.3:a:open-xchange:open-xchange_appsuite_backend:*:*:*:*:*:*:*:*

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu nvd NVD CVE.org MITRE

published 2023-06-20modified 2026-06-17

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references (15)

External citations — patches, advisories, analysis.

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