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CVE-2026-116191

Rclone before 1.75.2 Path Traversal via serve webdav MKCOL

8.7 HighPublic exploitFix available

Rclone before 1.75.2 contains a path traversal vulnerability in serve webdav that allows unauthenticated attackers to write above the served root by sending an unvalidated '..' path component. Attackers can send MKCOL /.. to plant a VFS node, then PUT, MOVE, COPY, or MKCOL to create, overwrite, or delete files belonging to other tenants.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
None
Integrity
High
Availability
None

Exploit likelihood

0.39%Unchanged since Oct 26, 2026
90%50%10%1%

What each source reports

CVE List Score used 8.7

Rclone before 1.75.2 Path Traversal via serve webdav MKCOL

Rclone before 1.75.2 contains a path traversal vulnerability in serve webdav that allows unauthenticated attackers to write above the served root by sending an unvalidated '..' path component. Attackers can send MKCOL /.. to plant a VFS node, then PUT, MOVE, COPY, or MKCOL to create, overwrite, or delete files belonging to other tenants.

Record
CVE-2026-116191
CVSS 4.0
8.7 HighCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Weakness
CWE-22
Updated
2026-11-02
EUVDEUVD-2026-109449 8.7

Rclone before 1.75.2 contains a path traversal vulnerability in serve webdav that allows unauthenticated attackers to write above the served root by sending an unvalidated '..' path component. Attackers can send MKCOL /.. to plant a VFS node, then PUT, MOVE, COPY, or MKCOL to create, overwrite, or delete files belonging to other tenants.

Record
EUVD-2026-109449
CVSS 4.0
8.7 HighCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N
Updated
2026-11-02
GitHub AdvisoriesGHSA-4fcc-gp7q-gf9r 8.7

Rclone before 1.75.2 contains a path traversal vulnerability in serve webdav that allows...

Rclone before 1.75.2 contains a path traversal vulnerability in serve webdav that allows unauthenticated attackers to write above the served root by sending an unvalidated '..' path component. Attackers can send MKCOL /.. to plant a VFS node, then PUT, MOVE, COPY, or MKCOL to create, overwrite, or delete files belonging to other tenants.

Record
GHSA-4fcc-gp7q-gf9r
CVSS 4.0
8.7 HighCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Weakness
CWE-22
Updated
2026-11-02
NVD 8.7

Rclone before 1.75.2 contains a path traversal vulnerability in serve webdav that allows unauthenticated attackers to write above the served root by sending an unvalidated '..' path component. Attackers can send MKCOL /.. to plant a VFS node, then PUT, MOVE, COPY, or MKCOL to create, overwrite, or delete files belonging to other tenants.

Record
CVE-2026-116191
CVSS 4.0
8.7 HighCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Weakness
CWE-22
Updated
2026-11-02
OSVALPINE-CVE-2026-116191 8.7

Rclone before 1.75.2 contains a path traversal vulnerability in serve webdav that allows unauthenticated attackers to write above the served root by sending an unvalidated '..' path component. Attackers can send MKCOL /.. to plant a VFS node, then PUT, MOVE, COPY, or MKCOL to create, overwrite, or delete files belonging to other tenants.

Record
ALPINE-CVE-2026-116191
CVSS 4.0
8.7 HighCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Updated
2026-11-03
OSV 8.7

Rclone before 1.75.2 Path Traversal via serve webdav MKCOL

Rclone before 1.75.2 contains a path traversal vulnerability in serve webdav that allows unauthenticated attackers to write above the served root by sending an unvalidated '..' path component. Attackers can send MKCOL /.. to plant a VFS node, then PUT, MOVE, COPY, or MKCOL to create, overwrite, or delete files belonging to other tenants.

Record
CVE-2026-116191
CVSS 4.0
8.7 HighCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N
Weakness
CWE-22
Updated
2026-11-02
OSVDEBIAN-CVE-2026-116191 8.7

Rclone before 1.75.2 contains a path traversal vulnerability in serve webdav that allows unauthenticated attackers to write above the served root by sending an unvalidated '..' path component. Attackers can send MKCOL /.. to plant a VFS node, then PUT, MOVE, COPY, or MKCOL to create, overwrite, or delete files belonging to other tenants.

Record
DEBIAN-CVE-2026-116191
CVSS 4.0
8.7 HighCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Updated
2026-11-02
OSVUBUNTU-CVE-2026-116191 8.7

Rclone before 1.75.2 contains a path traversal vulnerability in serve webdav that allows unauthenticated attackers to write above the served root by sending an unvalidated '..' path component. Attackers can send MKCOL /.. to plant a VFS node, then PUT, MOVE, COPY, or MKCOL to create, overwrite, or delete files belonging to other tenants.

Record
UBUNTU-CVE-2026-116191
CVSS 4.0
8.7 HighCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Updated
2026-11-02
OSVBIT-rclone-2026-116191 No score

Rclone before 1.75.2 Path Traversal via serve webdav MKCOL

Rclone before 1.75.2 contains a path traversal vulnerability in serve webdav that allows unauthenticated attackers to write above the served root by sending an unvalidated '..' path component. Attackers can send MKCOL /.. to plant a VFS node, then PUT, MOVE, COPY, or MKCOL to create, overwrite, or delete files belonging to other tenants.

Record
BIT-rclone-2026-116191
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
rclone
Alpine:v3.24
 before 1.75.2-r0
1.75.2-r0
rclone
Bitnami
 before 1.75.2
1.75.2
rclone
Debian:12
 All versions, plus listed versions
1.60.1+dfsg-21.60.1+dfsg-31.60.1+dfsg-41.65.0+dfsg-11.65.0+dfsg-2
Show 5 moreShow less
1.69.3+dfsg-11.69.3+dfsg-21.69.3+dfsg-31.75.2-11.75.2-2
 None known
rclone
Debian:13
 All versions, plus listed versions
1.60.1+dfsg-41.65.0+dfsg-11.65.0+dfsg-21.69.3+dfsg-11.69.3+dfsg-21.69.3+dfsg-31.75.2-11.75.2-2
 None known
rclone
Ubuntu:18.04:LTS
 All versions, plus listed versions
1.36-31.36-3ubuntu0.11.36-3ubuntu0.2
 None known
rclone
Ubuntu:Pro:20.04:LTS
 All versions, plus listed versions
1.47.0+ex1-61.47.0+ex1-71.49.5-21.49.5-31.50.2-21.50.2-2ubuntu0.11.50.2-2ubuntu0.21.50.2-2ubuntu0.2+esm1
 None known
rclone
Ubuntu:Pro:22.04:LTS
 All versions, plus listed versions
1.53.3-11.53.3-21.53.3-41.53.3-4ubuntu11.53.3-4ubuntu1.22.04.1
Show 7 moreShow less
1.53.3-4ubuntu1.22.04.21.53.3-4ubuntu1.22.04.31.53.3-4ubuntu1.22.04.3+esm11.53.3-4ubuntu1.22.04.41.53.3-4ubuntu1.22.04.4+esm11.53.3-4ubuntu1.22.04.51.53.3-4ubuntu1.22.04.5+esm1
 None known
rclone
Ubuntu:Pro:24.04:LTS
 All versions, plus listed versions
1.60.1+dfsg-2build11.60.1+dfsg-31.60.1+dfsg-3ubuntu0.24.04.11.60.1+dfsg-3ubuntu0.24.04.21.60.1+dfsg-3ubuntu0.24.04.3
Show 6 moreShow less
1.60.1+dfsg-3ubuntu0.24.04.41.60.1+dfsg-3ubuntu0.24.04.4+esm11.60.1+dfsg-3ubuntu0.24.04.51.60.1+dfsg-3ubuntu0.24.04.5+esm11.60.1+dfsg-3ubuntu0.24.04.61.60.1+dfsg-3ubuntu0.24.04.6+esm1
 None known
rclone
Ubuntu:26.10
 All versions, plus listed versions
1.60.1+dfsg-4ubuntu31.69.3+dfsg-31.69.3+dfsg-3ubuntu1
 None known
rclone
Ubuntu:Pro:26.04:LTS
 All versions, plus listed versions
1.60.1+dfsg-4ubuntu21.60.1+dfsg-4ubuntu31.60.1+dfsg-4ubuntu3.11.60.1+dfsg-4ubuntu3.1+esm11.60.1+dfsg-4ubuntu3.21.60.1+dfsg-4ubuntu3.2+esm1
 None known

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
SourceLinkDate
PoC in GitHubasvorg/CVE-2026-116191-poc2026-10-25

History

History
RecordedChangedSources
affected, aliases, referencesOSV
first indexedCVE List, EUVD, GitHub Advisories, NVD, OSV, PoC in GitHub

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2026-116191 is a high vulnerability (CVSS 8.7) in Rclone, published October 25, 2026. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 0.39%, the 33rd percentile. Fixed in rclone 1.75.2-r0.

References

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