CVE-2026-40173: Dgraph is an open source distributed GraphQL database

Q: How do I fix CVE-2026-40173?

dgraph: upgrade to 25.3.2. Exact commands for each OS are on this page.

Q: Is CVE-2026-40173 being exploited?

CVE-2026-40173 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-2026-40173 affect?

CVE-2026-40173 affects dgraph. Severity is critical (CVSS 9.4). Dgraph is an open source distributed GraphQL database. Versions 25.3.1 and prior contain an unauthenticated credential disclosure vulnerability where the /debug/pprof/cmdline endpoint is registered on the default mux and reachable without a

Q: How urgent is CVE-2026-40173?

Priority 54/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action

This week

CRITICAL 9.4REMOTEUPGRADE

CVE-2026-40173 is a critical-severity flaw (CVSS 9.4) affecting dgraph. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Dgraph is an open source distributed GraphQL database. Versions 25.3.1 and prior contain an unauthenticated credential disclosure vulnerability where the /debug/pprof/cmdline endpoint is registered on the default mux and reachable without authentication, exposing the full process command line including the admin token configured via the --security "token=..." startup flag. An attacker can retrieve the leaked token and reuse it in the X-Dgraph-Aut

Why this priority

Critical severity
Public exploit reference
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	9.4 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.5% (top 57%)
CISA exploited list	No
Weakness	CWE-200, CWE-215, CWE-522
Published	2026-04-15
Last modified	2026-06-17

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

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

Am I affected?

Timeline

2026-04-15 21:17 UTCPublished CVE record published
2026-06-17 10:44 UTCUpdated Record last modified

dgraph dgraph UPGRADE

Affected: < 25.3.2

Fixed in: 25.3.2

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to 25.3.2 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade dgraph

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-2026-40173?

dgraph: upgrade to 25.3.2. Exact commands for each OS are on this page.

Is CVE-2026-40173 being exploited?

CVE-2026-40173 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-2026-40173 affect?

CVE-2026-40173 affects dgraph. Severity is critical (CVSS 9.4). Dgraph is an open source distributed GraphQL database. Versions 25.3.1 and prior contain an unauthenticated credential disclosure vulnerability where the /debug/pprof/cmdline endpoint is registered on the default mux and reachable without a

How urgent is CVE-2026-40173?

Priority 54/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action

Related CVEs

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CVE-2026-41328 CRITICAL 9.1 UPGRADE Dgraph is an open source distributed GraphQL database
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References

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