High severity · published Aug 17, 2026
CVE-2026-19979
GL.iNet XE3000 WebDAV Service MOVE authorization
8.3
CVSS
0.5%
EPSS
No
On KEV
Description
A vulnerability was identified in GL.iNet A1300, AX1800, AXT1800, BE1400, BE3600, BE6500, BE9300, BE10000, E5800, MT2500, MT3000, MT3600BE, MT5000, MT6000, X2000, X3000 and XE3000 up to 4.8.x. Affected by this vulnerability is the function COPY/MOVE of the component WebDAV Service. Such manipulation leads to authorization bypass. It is possible to launch the attack remotely. The vendor explains: "After our investigation, we have confirmed that the vulnerability described (...) does indeed exist."
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
Low
Availability
Low
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 45% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
A1
A1300 · GL.iNet
4.0; 4.1; 4.2; 4.3; 4.4; 4.5; +3 more · source: vendor
AX
AX1800 · GL.iNet
4.0; 4.1; 4.2; 4.3; 4.4; 4.5; +3 more · source: vendor
AX
AXT1800 · GL.iNet
4.0; 4.1; 4.2; 4.3; 4.4; 4.5; +3 more · source: vendor
BE
BE10000 · GL.iNet
4.0; 4.1; 4.2; 4.3; 4.4; 4.5; +3 more · source: vendor
BE
BE1400 · GL.iNet
4.0; 4.1; 4.2; 4.3; 4.4; 4.5; +3 more · source: vendor
BE
BE3600 · GL.iNet
4.0; 4.1; 4.2; 4.3; 4.4; 4.5; +3 more · source: vendor
BE
BE6500 · GL.iNet
4.0; 4.1; 4.2; 4.3; 4.4; 4.5; +3 more · source: vendor
BE
BE9300 · GL.iNet
4.0; 4.1; 4.2; 4.3; 4.4; 4.5; +3 more · source: vendor
E5
E5800 · GL.iNet
4.0; 4.1; 4.2; 4.3; 4.4; 4.5; +3 more · source: vendor
MT
MT2500 · GL.iNet
4.0; 4.1; 4.2; 4.3; 4.4; 4.5; +3 more · source: vendor
MT
MT3000 · GL.iNet
4.0; 4.1; 4.2; 4.3; 4.4; 4.5; +3 more · source: vendor
MT
MT3600BE · GL.iNet
4.0; 4.1; 4.2; 4.3; 4.4; 4.5; +3 more · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-19979
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-19979
github.com
https://github.com/gl-inet/CVE-issues/blob/main/4.0.0/WebDAV%20Public-Share%20Destination%20Authorization%20Bypass.md
vuldb.com
https://vuldb.com/cve/CVE-2026-19979
vuldb.com
https://vuldb.com/submit/873915
vuldb.com
https://vuldb.com/vuln/391161
vuldb.com
https://vuldb.com/vuln/391161/cti
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