CVE-2026-33077: Roxy-WI is a web interface for managing Haproxy, Nginx, Apache and Keepalived servers

Q: How do I fix CVE-2026-33077?

roxy-wi: upgrade to 8.2.6.4. Exact commands for each OS are on this page.

Q: Is CVE-2026-33077 being exploited?

CVE-2026-33077 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-33077 affect?

CVE-2026-33077 affects roxy-wi. Severity is high (CVSS 7.5). Roxy-WI is a web interface for managing Haproxy, Nginx, Apache and Keepalived servers. Prior to version 8.2.6.4, the oldconfig parameter in the haproxy_section_save interface has an arbitrary file read vulnerability. Version 8.2.6.4 fixes t

Q: How urgent is CVE-2026-33077?

Priority 50/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action; On your watchlist

This week

HIGH 7.5REMOTEWATCHLISTUPGRADE

CVE-2026-33077 is a high-severity flaw (CVSS 7.5) affecting roxy-wi. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Roxy-WI is a web interface for managing Haproxy, Nginx, Apache and Keepalived servers. Prior to version 8.2.6.4, the oldconfig parameter in the haproxy_section_save interface has an arbitrary file read vulnerability. Version 8.2.6.4 fixes the issue.

Why this priority

High severity
Public exploit reference
Remotely exploitable, no login, no user action
On your watchlist

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.4% (top 63%)
CISA exploited list	No
Weakness	CWE-22
Published	2026-04-24
Last modified	2026-06-17

Publisher (CNA): GitHub, Inc. · Vendor: roxy-wi

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-04-24 03:16 UTCPublished CVE record published
2026-06-17 10:36 UTCUpdated Record last modified

roxy-wi roxy-wi UPGRADE

Affected: < 8.2.6.4

Fixed in: 8.2.6.4

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy roxy-wi || rpm -q roxy-wi || roxy-wi --version

2. UPGRADE to 8.2.6.4 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade roxy-wi

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade roxy-wi

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

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.

Quick answers

How do I fix CVE-2026-33077?

roxy-wi: upgrade to 8.2.6.4. Exact commands for each OS are on this page.

Is CVE-2026-33077 being exploited?

CVE-2026-33077 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-33077 affect?

CVE-2026-33077 affects roxy-wi. Severity is high (CVSS 7.5). Roxy-WI is a web interface for managing Haproxy, Nginx, Apache and Keepalived servers. Prior to version 8.2.6.4, the oldconfig parameter in the haproxy_section_save interface has an arbitrary file read vulnerability. Version 8.2.6.4 fixes t

How urgent is CVE-2026-33077?

Priority 50/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action; On your watchlist

Software pages

nginx vulnerabilities · HAProxy vulnerabilities

Related CVEs

CVE-2026-33208 HIGH 8.8 UPGRADE Roxy-WI is a web interface for managing Haproxy, Nginx, Apache and Keepalived servers
CVE-2026-33078 CRITICAL 9.8 UPGRADE Roxy-WI is a web interface for managing Haproxy, Nginx, Apache and Keepalived servers
CVE-2026-33076 CRITICAL 9.8 UPGRADE Roxy-WI is a web interface for managing Haproxy, Nginx, Apache and Keepalived servers

References

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