boxscore/security
CVE · referencelatest edition

Reference page — cumulative record through Sunday, October 4, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.

CVE-2026-86274

projeto-siga Authentication Flow ExAutenticacaoController.java ExAutenticacaoController.autenticar authorization
  AV  AC  AT  PR  UI  VC  VI  VA   CVSS    EPSS   %ile   KEV
   N   L   N   N   N   L   N   N    5.5   .0074   53.1     —
AFFECTED
  Product  Versions    Fixed
  siga     11.0.2.0 –  —
TIMELINE
  Sep 6   Reserved by VulDB
  Sep 7   Published (CNA: VulDB)
  Sep 8   EXPLOIT PUBLISHED — CVE-2026-86274 (projeto-siga siga). Public exploit reference added.
CWE-862, CWE-863 · CNA: VulDB · CVSS v4.0 · 6 references · NVD status: Deferred

Description

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.

Lifecycle

Complete event history — 3 events, chronological
DateEventDetail
September 6, 2026ReservedReserved by VulDB
September 7, 2026PublishedPublished (CNA: VulDB)
September 8, 2026EXPLOIT PUBLISHEDEXPLOIT PUBLISHED — CVE-2026-86274 (projeto-siga siga). Public exploit reference added.

Affected

Affected products and packages — 1 row
VendorProduct / PackageEcosystemVersion introducedFixed
projeto-sigasiga—11.0.2.0—

Weaknesses

CWE-862 · CWE-863

References (6)

Related

Authoritative record: CVE-2026-86274 at cve.org

Vendors: projeto-siga

Weaknesses: CWE-862 · CWE-863

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-86274 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Sunday, October 4, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.