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CVE-2026-41492

Unauthenticated Admin Token Disclosure Leading to Authentication Bypass via /debug/vars in Dgraph

Published: Apr 24, 2026Updated: Apr 24, 2026 Sources: CVE List NVD
NVD MITRE
9.8CVSS
CRITICAL

Dgraph is an open source distributed GraphQL database. Prior to 25.3.3, Dgraphl exposes the process command line through the unauthenticated /debug/vars endpoint on Alpha. Because the admin token is commonly supplied via the --security "token=..." startup flag, an unauthenticated attacker can retrieve that token and replay it in the X-Dgraph-AuthToken header to access admin-only endpoints. This is a variant of the previously fixed /debug/pprof/cmdline issue, but the current fix is incomplete because it blocks only /debug/pprof/cmdline and still serves http.DefaultServeMux, which includes expvar's /debug/vars handler. This vulnerability is fixed in 25.3.3.

EPSS Score
0.1%
Top 82.3%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
No Fix Available

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High

Weaknesses

CWE-200

Affected Products

dgraph
dgraph-io

Attack Graph

Products CVE Techniques Tactics

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Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.

MITRE ATT&CK

1 technique
Collection
View detailed technique mapping

References

https://github.com/dgraph-io/dgraph/releases/tag/v25.3.3
github.com
https://github.com/dgraph-io/dgraph/security/advisories/GHSA-vvf7-6rmr-m29q
github.com

Timeline

Published
Apr 24, 2026
Last Updated
Apr 24, 2026

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