CVE-2026-86274CWE-862CWE-863broken-access-control

CVE-2026-86274

Medium · published September 7, 2026

CVSS v3.1
5.3
EPSS
1%
Percentile
54.2
In the wild
Unconfirmed
What it is

A security vulnerability has been detected in projeto-siga siga up to 11.0.2.10/11.0.2.13/11.1.1. This affects the function ExAutenticacaoController.autenticar of the file sigaex/src/main/java/br/gov/jfrj/siga/vraptor/ExAutenticacaoController.java of the component Authentication Flow. Such manipulation of the argument cod/jwt leads to missing authorization. The attack may be launched remotely. The exploit has been disclosed publicly and may be used. The project was informed of the problem early through an issue report but has not responded yet.

The record
Technical detail
CVSS v3.1
5.3 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
CVSS v4.0
6.9 · CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P
EPSS
0.00743 · 54.2th percentile
Weaknesses
CWE-862 · Missing Authorization; CWE-863 · Incorrect Authorization
Published
2026-09-07T10:17Z
References (7)
EPSS history
Timeline
  • 08 SEP 03:24Z
    EPSS moved — → 0%
    epss
  • 07 SEP 05:15Z
    projeto-siga Authentication Flow ExAutenticacaoController.java ExAutenticacaoController.autenticar authorization
    cvelistv5