CVE-2025-69820: Directory Traversal vulnerability in Beam beta9 v.0.1.521 allows a remote attacker to obtain sensitive informa

This month

MEDIUM 6.0DOWNGRADE

CVE-2025-69820 is a medium-severity flaw (CVSS 6.0) affecting beta9. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Directory Traversal vulnerability in Beam beta9 v.0.1.521 allows a remote attacker to obtain sensitive information via the joinCleanPath function.

Why this priority

Public exploit reference

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

Risk facts

CVSS score	6.0 (Medium)
Attack vector	Local
Attack complexity	Low
Privileges needed	High
User interaction	None
EPSS exploit chance	1.0% (top 37%)
CISA exploited list	No
Weakness	CWE-22
Published	2026-01-22
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: beam

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

Am I affected?

Timeline

2026-01-22 16:16 UTCPublished CVE record published
2026-06-17 10:00 UTCUpdated Record last modified

beam beta9 DOWNGRADE

Affected: 0.1.521

Fixed in: no fixed release known

Safe to downgrade to: a release before 0.1.521

1. Check installed version

apt-cache policy beta9 || rpm -q beta9 || beta9 --version

2. No fixed release: DOWNGRADE to a release before 0.1.521 (Debian / Ubuntu)

apt-cache madison beta9 sudo apt install beta9=<VERSION_BEFORE_0.1.521> sudo apt-mark hold beta9

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

dnf --showduplicates list beta9 sudo dnf downgrade beta9-<VERSION_BEFORE_0.1.521> sudo dnf versionlock add beta9

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-2025-69820?

beta9: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2025-69820 being exploited?

CVE-2025-69820 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-2025-69820 affect?

CVE-2025-69820 affects beta9. Severity is medium (CVSS 6.0). Directory Traversal vulnerability in Beam beta9 v.0.1.521 allows a remote attacker to obtain sensitive information via the joinCleanPath function.

How urgent is CVE-2025-69820?

Priority 42/100. Public exploit reference

References

← Back to latest CVEs