CVE-2022-41925: A vulnerability identified in the Tailscale client allows a malicious website to access the peer API, which ca

Q: How do I fix CVE-2022-41925?

tailscale: upgrade to 1.32.3. Exact commands for each OS are on this page.

Q: Is CVE-2022-41925 being exploited?

CVE-2022-41925 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-2022-41925 affect?

CVE-2022-41925 affects tailscale. Severity is high (CVSS 8.8). A vulnerability identified in the Tailscale client allows a malicious website to access the peer API, which can then be used to access Tailscale environment variables. In the Tailscale client, the peer API was vulnerable to DNS rebinding. T

Q: How urgent is CVE-2022-41925?

Priority 48/100. High severity; Public exploit reference

This month

HIGH 8.8UPGRADE

CVE-2022-41925 is a high-severity flaw (CVSS 8.8) affecting tailscale. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A vulnerability identified in the Tailscale client allows a malicious website to access the peer API, which can then be used to access Tailscale environment variables. In the Tailscale client, the peer API was vulnerable to DNS rebinding. This allowed an attacker-controlled website visited by the node to rebind DNS for the peer API to an attacker-controlled DNS server, and then making peer API requests in the client, including accessing the node’

Why this priority

High severity
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	8.8 (High)
Attack vector	Adjacent network
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.6% (top 53%)
CISA exploited list	No
Weakness	CWE-352
Published	2022-11-23
Last modified	2026-06-17

Publisher (CNA): GitHub, Inc. · Vendor: tailscale

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

Am I affected?

Timeline

2022-11-23 19:15 UTCPublished CVE record published
2026-06-17 05:04 UTCUpdated Record last modified

tailscale tailscale UPGRADE

Affected: < 1.32.3

Fixed in: 1.32.3

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to 1.32.3 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade tailscale

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade tailscale

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-2022-41925?

tailscale: upgrade to 1.32.3. Exact commands for each OS are on this page.

Is CVE-2022-41925 being exploited?

CVE-2022-41925 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-2022-41925 affect?

CVE-2022-41925 affects tailscale. Severity is high (CVSS 8.8). A vulnerability identified in the Tailscale client allows a malicious website to access the peer API, which can then be used to access Tailscale environment variables. In the Tailscale client, the peer API was vulnerable to DNS rebinding. T

How urgent is CVE-2022-41925?

Priority 48/100. High severity; Public exploit reference

Related CVEs

CVE-2023-28436 MEDIUM 5.7 UPGRADE Tailscale is software for using Wireguard and multi-factor authentication (MFA)
CVE-2022-41924 CRITICAL 9.6 UPGRADE A vulnerability identified in the Tailscale Windows client allows a malicious website to reconfigure the Tails

References

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