CVE-2020-37278 Weaver e-Bridge - Arbitrary File Read & Server-Side Request Forgery

Weaver e-Bridge contains an unauthenticated arbitrary file read vulnerability caused by improper validation of the downloadUrl parameter in the saveYZJFile endpoint, letting remote attackers read sensitive files and perform server-side request forgery, exploit requires no authentication.

CVSS base score 7.5 /10
High
CISA KEV
Exploited in the wild
Public exploit
None known
Authentication
Not required
EPSS
0.36% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Arbitrary File Read
Impact
File System Read, Information Disclosure, Server Side Request Forgery
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Published
2 October 2026
Updated
15 October 2026
Weakness
CWE-918

Vendor fix

Update to the latest version that patches the arbitrary file read and SSRF vulnerabilities.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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