CVE-2026-35385
CVE-2026-35385 is a high-severity vulnerability in Openbsd Openssh with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-281.
Key facts
- Severity: High (CVSS 3.x base score 7.5)
- EPSS exploit prediction: 0% (34th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-18398
- Weakness: CWE-281
- Affected product: Openbsd Openssh
- Published:
- Last modified:
Description
In OpenSSH before 10.3, a file downloaded by scp may be installed setuid or setgid, an outcome contrary to some users' expectations, if the download is performed as root with -O (legacy scp protocol) and without -p (preserve mode).
Frequently asked questions
- What is CVE-2026-35385?
- In OpenSSH before 10.3, a file downloaded by scp may be installed setuid or setgid, an outcome contrary to some users' expectations, if the download is performed as root with -O (legacy scp protocol) and without -p (preserve mode).
- How severe is CVE-2026-35385?
- CVE-2026-35385 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2026-35385 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (34th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2026-35385?
- CVE-2026-35385 affects Openbsd Openssh. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2026-35385?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- Does CVE-2026-35385 have an EU (EUVD) identifier?
- Yes. CVE-2026-35385 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-18398.
- When was CVE-2026-35385 published?
- CVE-2026-35385 was published on 2026-04-02 and last updated on 2026-07-07.
References
- https://marc.info/?l=openssh-unix-dev&m=177513443901484&w=2
- https://www.openssh.org/releasenotes.html#10.3p1
- https://www.openwall.com/lists/oss-security/2026/04/02/3
- https://access.redhat.com/errata/RHSA-2026:12389
- https://access.redhat.com/errata/RHSA-2026:13380
- https://access.redhat.com/errata/RHSA-2026:13381
- https://access.redhat.com/errata/RHSA-2026:13383
- https://access.redhat.com/errata/RHSA-2026:14937
- https://access.redhat.com/errata/RHSA-2026:16059
- https://access.redhat.com/errata/RHSA-2026:19069
- https://access.redhat.com/errata/RHSA-2026:19219
- https://access.redhat.com/errata/RHSA-2026:20040
- https://access.redhat.com/errata/RHSA-2026:21275
- https://access.redhat.com/errata/RHSA-2026:21298
- https://access.redhat.com/errata/RHSA-2026:21398
- https://access.redhat.com/errata/RHSA-2026:22329
- https://access.redhat.com/errata/RHSA-2026:22468
- https://access.redhat.com/errata/RHSA-2026:22564
- https://access.redhat.com/errata/RHSA-2026:22648
- https://access.redhat.com/errata/RHSA-2026:25044
- https://access.redhat.com/errata/RHSA-2026:25063
- https://access.redhat.com/errata/RHSA-2026:25096
- https://access.redhat.com/errata/RHSA-2026:25181
- https://access.redhat.com/errata/RHSA-2026:26528
- https://access.redhat.com/errata/RHSA-2026:26542
- https://access.redhat.com/errata/RHSA-2026:28887
- https://access.redhat.com/errata/RHSA-2026:28962
- https://access.redhat.com/errata/RHSA-2026:30078
- https://access.redhat.com/errata/RHSA-2026:30087
- https://access.redhat.com/errata/RHSA-2026:30088
Affected products (1)
- cpe:2.3:a:openbsd:openssh:*:*:*:*:*:*:*:*
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Threat intelligence
Threat-intel indicators referencing this CVE:
- 152.32.208.73 (ipv4-addr)
- 152.32.217.163 (ipv4-addr)
- 152.32.204.21 (ipv4-addr)
- 152.32.145.49 (ipv4-addr)
- 104.218.164.192 (ipv4-addr)
- 165.154.162.193 (ipv4-addr)
- 165.154.11.210 (ipv4-addr)
- 152.32.207.42 (ipv4-addr)