What is CVE-2025-70039?

CVE-2025-70039 is a critical-severity vulnerability in Linagora Twake, classified under OS Command Injection. CVSS score: 9.8/10. Published 2026-03-09.

How severe is CVE-2025-70039?

Critical severity. CVSS v3 base score is 9.8 out of 10.

RCE in Linagora Twake

CVE-2025-70039

An issue pertaining to CWE-78: Improper Neutralization of Special Elements used in an OS Command was discovered in linagora Twake v2023.Q1.1223.

Vulnerability class: Command Injection (OS Command Injection)

Published 2026-03-09 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.004 (29.4th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 29th percentile — 29.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

Linagora Twake — versions 2023.q1.1223

Weakness classification (CWE)

CWE-78 — OS Command Injection

References

github.com/linagora (Product)
github.com/linagora/Twake (Product)
gist.github.com/zcxlighthouse/62ad88841b308e184220af2f3c19ec38 (Third Party Advisory)

Frequently asked questions

What is CVE-2025-70039?: CVE-2025-70039 is a critical-severity vulnerability in Linagora Twake, classified under OS Command Injection. CVSS score: 9.8/10. Published 2026-03-09.
How severe is CVE-2025-70039?: Critical severity. CVSS v3 base score is 9.8 out of 10.