Get a Demo

Let's Patch It!

Book a short call with one our specialists, we'll walk you through how Endor Patches work, and ask you a few questions about your environment (like your primary programming languages and repository management). We'll also send you an email right after you fill out the form, feel free to reply with any questions you have in advance!

CVE

GO-2026-4286

OpenFlagr contains an authentication bypass vulnerability in the HTTP middleware in github.com/openflagr/flagr
Back to all
CVE

GO-2026-4286

OpenFlagr contains an authentication bypass vulnerability in the HTTP middleware in github.com/openflagr/flagr

OpenFlagr contains an authentication bypass vulnerability in the HTTP middleware in github.com/openflagr/flagr

Package Versions Affected

Package Version
patch Availability
No items found.

Automatically patch vulnerabilities without upgrading

Fix Without Upgrading
Detect compatible fix
Apply safe remediation
Fix with a single pull request

CVSS Version

Severity
Base Score
CVSS Version
Score Vector
C
H
U
9.3
-
4.0
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/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
C
H
U
0
-
C
H
U
-

Related Resources

No items found.

References

https://github.com/advisories/GHSA-rwp9-5g7q-73q3, https://nvd.nist.gov/vuln/detail/CVE-2026-0650, https://github.com/openflagr/flagr/commit/fe83dc87aa404a57554aa5839ac450f55c203570, https://dreyand.rs/code%20review/golang/2026/01/03/0day-speedrun-openflagr-less-1118-authentication-bypass, https://github.com/openflagr/flagr/releases/tag/1.1.19, https://www.vulncheck.com/advisories/openflagr-authentication-bypass-via-prefix-whitelist-path-normalization

Severity

0

CVSS Score
0
10

Basic Information

Ecosystem
Base CVSS
0
EPSS Probability
0.00115%
EPSS Percentile
0.30856%
Introduced Version
0
Fix Available
0.0.0-20251009103504-fe83dc87aa40

Fix Critical Vulnerabilities Instantly

Secure your app without upgrading.
Fix Without Upgrading