Medium severity · published Aug 25, 2026
CVE-2026-79776
rclone before 1.75.0 Authentication Bypass via pprof
5.3
CVSS
0.4%
EPSS
No
On KEV
Description
rclone before 1.75.0 mounts the pprof debug handler as its own router route, bypassing the fail-closed authentication rule in the main handler. Attackers can access the /debug/pprof/cmdline endpoint unauthenticated to retrieve the full process argv including backend credentials.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 32% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
RC
rclone · rclone
before 1.75.0 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-79776
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-79776
github.com
https://github.com/rclone/rclone/security/advisories/GHSA-mfvx-7rcj-9m5g
www.vulncheck.com
https://www.vulncheck.com/advisories/rclone-before-authentication-bypass-via-pprof
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