CVE-2026-79855: An authentication bypass vulnerability in the SSH daemon of AOS-8 allows an unauthenticated remote attacker to
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CRITICAL 9.8REMOTE
CVE-2026-79855 is a critical-severity flaw (CVSS 9.8) affecting affected software. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
An authentication bypass vulnerability in the SSH daemon of AOS-8 allows an unauthenticated remote attacker to circumvent existing authentication controls. Successful exploitation allows an attacker to gain administrative privileges leading to complete compromise of the AOS-8 host.
Why this priority
- Critical severity
- CISA SSVC: automatable with total technical impact
- Remotely exploitable, no login, no user action
A fixed release or distro patch exists.
Risk facts
| CVSS score | 9.8 (Critical) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 0.4% (top 65%) |
| CISA exploited list | No |
| Weakness | CWE-288 |
| Published | 2026-10-22 |
| Last modified | 2026-10-24 |
Publisher (CNA): Hewlett Packard Enterprise (HPE)
Timeline
- Published CVE record published
- Updated Record last modified
Exact fixes by distribution
Fedora 46 · python-fontconfig · FIXED · 0.6.3-1.fc46 · FEDORA-2026-f92ca8b01f · source
sudo dnf upgrade --advisory=FEDORA-2026-f92ca8b01f
Fedora ELN · valgrind · FIXED · 3.28.0-1.eln159 · FEDORA-2026-c593ef1d15 · source
sudo dnf upgrade --advisory=FEDORA-2026-c593ef1d15
Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.