CVE-2022-29633: An access control issue in Linglong v1.0 allows attackers to access the background of the application via a cr

This month

CRITICAL 9.8REMOTEDOWNGRADE

CVE-2022-29633 is a critical-severity flaw (CVSS 9.8) affecting linglong. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An access control issue in Linglong v1.0 allows attackers to access the background of the application via a crafted cookie.

Why this priority

Critical severity
Remotely exploitable, no login, no user action

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

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	1.2% (top 33%)
CISA exploited list	No
Published	2022-05-26
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: linglong project

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

Am I affected?

Timeline

2022-05-26 20:15 UTCPublished CVE record published
2026-06-17 04:40 UTCUpdated Record last modified

linglong project linglong DOWNGRADE

Affected: 1.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 1.0 (Debian / Ubuntu)

apt-cache madison linglong sudo apt install linglong=<VERSION_BEFORE_1.0> sudo apt-mark hold linglong

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

dnf --showduplicates list linglong sudo dnf downgrade linglong-<VERSION_BEFORE_1.0> sudo dnf versionlock add linglong

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-2022-29633?

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

Is CVE-2022-29633 being exploited?

CVE-2022-29633 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-2022-29633 affect?

CVE-2022-29633 affects linglong. Severity is critical (CVSS 9.8). An access control issue in Linglong v1.0 allows attackers to access the background of the application via a crafted cookie.

How urgent is CVE-2022-29633?

Priority 56/100. Critical severity; Remotely exploitable, no login, no user action

References

← Back to latest CVEs