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Fencer Vulns
critical 9.4

CVE-2026-40173 json

Dgraph: Unauthenticated pprof endpoint leaks admin auth token

published 2026-04-15 6 mo ago modified 2026-09-10 1 mo ago also GHSA-95mq-xwj4-r47p , GO-2026-5274 , EUVD-2026-23117

cvss
9.4
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.5%
EPSS 0.5% chance of exploitation in 30 days, percentile 43%
public exploits
0
none known

Summary

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-AuthToken header to gain unauthorized access to admin-only endpoints such as /admin/config/cache_mb, bypassing the adminAuthHandler token validation. This enables unauthorized privileged administrative access including configuration changes and operational control actions in any deployment where the Alpha HTTP port is reachable by untrusted parties. This issue has been fixed in version 25.3.2.

Patch / fix

  • go github.com/dgraph-io/dgraph/v25 25.3.2
  • go github.com/hypermodeinc/dgraph/v24 24.1.9
  • dgraph dgraph 25.3.2
  • govulncheck-vulndb SLES for SAP applications 16.0, SLES 16.0 0.0.20260827T195228-160000.1.1

suse advisories SUSE-SU-2026:23625-1

  • govulncheck-vulndb openSUSE Leap 16.0 0.0.20260827T195228-160000.1.1

opensuse advisories openSUSE-SU-2026:21761-1

CISA SSVC

Exploitation
Proof of concept is public
Automatable
yes
Technical impact
total
Assessed
6 mo ago

Exploit prediction

0.51% chance of exploitation in the next 30 days, higher than 43% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • github.com https://github.com/dgraph-io/dgraph/security/advisories/GHSA-95mq-xwj4-r47p referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.1 9.4 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L
GitHub 3.1 9.4 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L

Affected packages

ecosystem package affected fixed in
go github.com/dgraph-io/dgraph/v25
<25.3.2
25.3.2
go github.com/dgraph-io/dgraph/v24
<=24.1.7
 no fix listed
go github.com/dgraph-io/dgraph
<=1.2.8
all versions
 no fix listed
go github.com/hypermodeinc/dgraph/v24
<24.1.9
24.1.9

Affected products

  • dgraph-io dgraph

Classification

Weakness
  • CWE-200 Exposure of Sensitive Information to an Unauthorized Actor
  • CWE-215 Insertion of Sensitive Information Into Debugging Code
  • CWE-522 Insufficiently Protected Credentials

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.