What is CVE-2026-48858?

CVE-2026-48858 is a medium-severity vulnerability in Erlang Erlang\/inets, classified under Server-Side Request Forgery (SSRF). CVSS score: 6.5/10. Published 2026-06-10.

How severe is CVE-2026-48858?

Medium severity. CVSS v3 base score is 6.5 out of 10.

SSRF in Erlang Erlang\/inets

CVE-2026-48858

Server-Side Request Forgery (SSRF) vulnerability in Erlang/OTP ftp (ftp_internal module) allows FTP bounce attacks and SSRF via an unvalidated PASV response IP address. The ftp_internal:handle_ctrl_result/2 PASV handler (mode=passive, ipf…

Vulnerability class: SSRF (Server-Side Request Forgery)

EPSS: 0.002 (14.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N.

Affected products

Weakness classification (CWE)

CWE-918 — Server-Side Request Forgery (SSRF)

References

6b3ad84c-e1a6-4bf7-a703-f496b71e49db (related, Third Party Advisory, Mitigation)
6b3ad84c-e1a6-4bf7-a703-f496b71e49db (Patch, patch)
6b3ad84c-e1a6-4bf7-a703-f496b71e49db (Patch, patch)
6b3ad84c-e1a6-4bf7-a703-f496b71e49db (related, vendor-advisory, Mitigation, Vendor Advisory)
6b3ad84c-e1a6-4bf7-a703-f496b71e49db (related, Third Party Advisory, Mitigation)
6b3ad84c-e1a6-4bf7-a703-f496b71e49db (Product, x_version-scheme)

Frequently asked questions

What is CVE-2026-48858?: CVE-2026-48858 is a medium-severity vulnerability in Erlang Erlang\/inets, classified under Server-Side Request Forgery (SSRF). CVSS score: 6.5/10. Published 2026-06-10.
How severe is CVE-2026-48858?: Medium severity. CVSS v3 base score is 6.5 out of 10.