5.4

CVE-2026-59996: openbsd openssh Relative Path Traversal

CVSS: 5.4v3.1MediumAnalyzed
AliasesALPINE-CVE-2026-59996UBUNTU-CVE-2026-59996DEBIAN-CVE-2026-59996
Published 08-07-2026Last modified 08-07-2026
Open JSON

Vulnerability summary

CVE-2026-59996 is a medium (CVSS 5.4) Relative Path Traversal vulnerability in openbsd openssh. EPSS estimates a 0.25% chance of exploitation in the next 30 days, higher than 15.3% of scored vulnerabilities.

Overall risk
22/100
0100
Low · default modelHow is this calculated?
CVSS score
5.4/10
010
Medium · v3.1 (NVD)
EPSS score
0.25%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 11 · Related 4
MGASA-2026-0521OPENSUSE-SU-2026:21477-1RHSA-2026:37382RHSA-2026:47756RHSA-2026:47757RHSA-2026:76748

Timeline

  1. 08-07-2026
    PublishedVulnerability first disclosed.
  2. 08-07-2026
    Last modifiedVulnerability information updated.

Description

scp in OpenSSH before 10.4 may place a file in the parent directory of an intended directory when the copy occurs between two remote destinations.

CVSS metrics

5 scores · 5 sources · 1 version

EPSS trend

Probability

0.25%

Chance of exploitation in the next 30 days

Percentile

15%

Versus all other CVEs

30-day change

0.00 pp

From 0.25% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.25%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Ubuntu2 products
  • opensshAll versions (No fix recorded) | < 1:8.9p1-3ubuntu0.16 | < 1:8.9p1-3ubuntu0.16+Fips3 | < 1:9.6p1-3ubuntu13.18 | < 1:9.6p1-3ubuntu13.18+Fips1 | < 1:10.2p1-2ubuntu3.4
  • openssh-ssh1All versions (No fix recorded)
Alpine1 product
  • openssh< 10.3_p1-r1
Debian1 product
  • opensshAll versions (No fix recorded) | < 1:10.4p1-1
Openbsd1 product

4 vendors · 5 products

References

9 links