PT-2026-1559 · Openflagr · Openflagr

Dreyand · Publicado 2026-01-07 · Atualizado 2026-01-17 · CVE-2026-0650

Positive Technologies (AI Summary)

CVSS v4.0

9.3

Crítica

Vetor base

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

Name of the Vulnerable Software and Affected Versions OpenFlagr versions prior to and including 1.1.18

Description The software contains an authentication bypass issue in the HTTP middleware. Improper path normalization within the whitelist logic allows crafted requests to bypass authentication, granting access to protected API endpoints without valid credentials. This unauthorized access could potentially allow modification of feature flags and the export of sensitive data.

Recommendations Update to a version later than 1.1.18.

Exploit

Correção

Missing Authentication

Enumeração de Fraquezas

CWE-425

CWE-306

Identificadores relacionados

CVE-2026-0650

GHSA-RWP9-5G7Q-73Q3

GO-2026-4286

SUSE-SU-2026:0142-1

Produtos afetados

Openflagr

Referências · 48

• 🔥 https://dreyand.rs/code%20review/golang/2026/01/03/0day-speedrun-openflagr-less-1118-authentication-bypass · Exploit
• https://github.com/openflagr/flagr/releases/tag/1.1.19 · Correção
• https://github.com/openflagr/flagr/commit/fe83dc87aa404a57554aa5839ac450f55c203570 · Nota
• https://github.com/openflagr/flagr · Nota
• https://suse.com/security/cve/CVE-2017-18895 · Nota
• https://github.com/advisories/GHSA-rwp9-5g7q-73q3 · Nota
• https://suse.com/security/cve/CVE-2017-18905 · Nota
• https://suse.com/security/cve/CVE-2026-22253 · Nota
• https://twitter.com/0dayPublishing/status/2008764507577856281 · Publicação no Twitter
• https://suse.com/security/cve/CVE-2017-18904 · Nota
• https://suse.com/security/cve/CVE-2025-68151 · Nota
• https://osv.dev/vulnerability/SUSE-SU-2026:0142-1 · Aviso do Fabricante
• https://osv.dev/vulnerability/GO-2026-4286 · Aviso do Fabricante
• https://vulncheck.com/advisories/openflagr-authentication-bypass-via-prefix-whitelist-path-normalization · Nota
• https://suse.com/security/cve/CVE-2017-18897 · Nota