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CVE-2026-55076: Coder allows organizations to provision remote development environments via Terraform

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HIGH 7.4REMOTEUPGRADE

CVE-2026-55076 is a high-severity flaw (CVSS 7.4) affecting coder. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Coder allows organizations to provision remote development environments via Terraform. Prior to versions 2.29.7, 2.32.7, 2.33.8, and 2.34.2, Coder's OIDC callback checked `email_verified` with a direct Go `bool` type assertion. When an IdP returned the claim as a non-boolean (for example the string `"false"`) or omitted it, the assertion failed open and the email was treated as verified. Combined with an unconditional email-based account fallback

Why this priority

  • High severity
  • Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score7.4 (High)
Attack vectorNetwork (remote)
Attack complexityHigh
Privileges neededNone
User interactionNone
EPSS exploit chance0.6% (top 51%)
CISA exploited listNo
WeaknessCWE-287, CWE-704
Published2026-07-07
Last modified2026-07-08
Publisher (CNA): GitHub, Inc. · Vendor: coder

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Last updated 2026-07-08 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

coder coder UPGRADE
Affected: < 2.29.17 · >= 2.30.0 and < 2.32.7 · >= 2.33.0 and < 2.33.8 · >= 2.34.0 and < 2.34.2
Fixed in: 2.29.17, 2.32.7, 2.33.8, 2.34.2
Safe to downgrade to: a release before 2.30.0
1. Check installed version
apt-cache policy coder || rpm -q coder || coder --version
2. UPGRADE to 2.29.17 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade coder
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade coder
Note
Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.
3. If no update is available yet, DOWNGRADE to a release before 2.30.0 (Debian / Ubuntu)
apt-cache madison coder sudo apt install coder=<VERSION_BEFORE_2.30.0> sudo apt-mark hold coder
3. If no update is available yet, DOWNGRADE (RHEL / Amazon Linux / Fedora)
dnf --showduplicates list coder sudo dnf downgrade coder-<VERSION_BEFORE_2.30.0> sudo dnf versionlock add coder
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-2026-55076?

coder: upgrade to 2.29.17, 2.32.7, 2.33.8, 2.34.2. Exact commands for each OS are on this page.

Is CVE-2026-55076 being exploited?

CVE-2026-55076 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-2026-55076 affect?

CVE-2026-55076 affects coder. Severity is high (CVSS 7.4). Coder allows organizations to provision remote development environments via Terraform. Prior to versions 2.29.7, 2.32.7, 2.33.8, and 2.34.2, Coder's OIDC callback checked `email_verified` with a direct Go `bool` type assertion. When an IdP

How urgent is CVE-2026-55076?

Priority 43/100. High severity; Remotely exploitable, no login, no user action

Software pages

Terraform vulnerabilities

Related CVEs

References

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