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CVE-2026-41492

Severity
CRITICAL
CVSS
9.8
EPSS
0.03082
Risk score
40.28
CISA KEV
No
PoC
Yes
Published
2026-04-24
Modified
2026-04-24
First seen
2026-08-07
Aliases
EUVD-2026-25599, GHSA-VVF7-6RMR-M29Q
Products
dgraph-io:dgraph < 25.3.3, linux, suse
Sources
euvd EUVD-2026-25599
packetstorm e760ebd193aaec6c0d4acb9c|CVE-2026-41492

Description

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.

References