Reference page — cumulative record through Wednesday, October 7, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.
AV AC PR UI S C I A CVSS EPSS %ile KEV N L N R C L L N 6.1 .0186 78.6 YES
AFFECTED Product Versions Fixed Email Security Gateway 4.5 – —
TIMELINE Sep 18 Reserved by mitre Sep 19 Published (CNA: mitre) Sep 29 Added to CISA KEV, remediation due 2025-10-20
Libraesva ESG 4.5 through 5.5.x before 5.5.7 allows command injection via a compressed e-mail attachment. For ESG 5.0 a fix has been released in 5.0.31. For ESG 5.1 a fix has been released in 5.1.20. For ESG 5.2 a fix has been released in 5.2.31. For ESG 5.4 a fix has been released in 5.4.8. For ESG 5.5. a fix has been released in 5.5.7.
| Date | Event | Detail |
|---|---|---|
| September 18, 2025 | Reserved | Reserved by mitre |
| September 19, 2025 | Published | Published (CNA: mitre) |
| September 29, 2025 | KEV ADDED | Added to CISA KEV, remediation due 2025-10-20 |
| Vendor | Product / Package | Ecosystem | Version introduced | Fixed |
|---|---|---|---|---|
| Libraesva | Email Security Gateway | — | 4.5 | — |
Authoritative record: CVE-2025-59689 at cve.org
Vendors: libraesva
Weaknesses: CWE-77
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2025-59689 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Wednesday, October 7, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.
