Medium 5.3Published Sep 7, 2026

CVE-2026-86274projeto-siga Authentication Flow ExAutenticacaoController.java ExAutenticacaoController.autenticar authorization

Updated under an hour ago (2026-10-19 11:20 UTC)

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It affects projeto-siga siga. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for projeto-siga siga

Exploited in the last 30 days

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.

CVSS: 5.3 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R
Weakness (CWE): CWE-862, CWE-863
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: VulDB
NVD analysis: Deferred
Record last updated: Sep 8, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

projeto-siga siga projeto-siga:siga	11.0.2.0; 11.0.2.1; 11.0.2.2; 11.0.2.3; 11.0.2.4; 11.0.2.5; 11.0.2.6; 11.0.2.7; and 8 more ranges	CNA record

References

https://vuldb.com/vuln/399435vdb-entry, technical-description
https://vuldb.com/vuln/399435/ctisignature, permissions-required
https://vuldb.com/cve/CVE-2026-86274third-party-advisory
https://vuldb.com/submit/904871third-party-advisory
https://github.com/projeto-siga/siga/issues/2493exploit, issue-tracking
https://github.com/projeto-siga/siga/product

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.