CVE-2022-26634: HMA VPN v5.3.5913.0 contains an unquoted service path which allows attackers to escalate privileges to the sys

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HIGH 7.8DOWNGRADE

CVE-2022-26634 is a high-severity flaw (CVSS 7.8) affecting hidemyass. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

HMA VPN v5.3.5913.0 contains an unquoted service path which allows attackers to escalate privileges to the system level.

Why this priority

High severity
Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	7.8 (High)
Attack vector	Local
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.4% (top 63%)
CISA exploited list	No
Weakness	CWE-428
Published	2022-05-20
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: hma

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

Am I affected?

Timeline

2022-05-20 13:15 UTCPublished CVE record published
2026-06-17 04:35 UTCUpdated Record last modified

hma hidemyass DOWNGRADE

Affected: 5.3.5913.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 5.3.5913.0

1. Check installed version

apt-cache policy hidemyass || rpm -q hidemyass || hidemyass --version

2. No fixed release: DOWNGRADE to a release before 5.3.5913.0 (Debian / Ubuntu)

apt-cache madison hidemyass sudo apt install hidemyass=<VERSION_BEFORE_5.3.5913.0> sudo apt-mark hold hidemyass

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list hidemyass sudo dnf downgrade hidemyass-<VERSION_BEFORE_5.3.5913.0> sudo dnf versionlock add hidemyass

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

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-2022-26634?

hidemyass: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2022-26634 being exploited?

CVE-2022-26634 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-2022-26634 affect?

CVE-2022-26634 affects hidemyass. Severity is high (CVSS 7.8). HMA VPN v5.3.5913.0 contains an unquoted service path which allows attackers to escalate privileges to the system level.

How urgent is CVE-2022-26634?

Priority 41/100. High severity; Public exploit reference

References

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