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-2026-86273

projeto-siga HTML-to-PDF Endpoint ExUtilController.java DownloadExterno.getUrl server-side request forgery
  AV  AC  AT  PR  UI  VC  VI  VA   CVSS    EPSS   %ile   KEV
   N   L   N   N   N   L   L   L    5.5   .0050   40.3     —
AFFECTED
  Product  Versions  Fixed
  siga     11.1.0 –  —
TIMELINE
  Sep 6   Reserved by VulDB
  Sep 7   Published (CNA: VulDB)
  Sep 11  EXPLOIT PUBLISHED — CVE-2026-86273 (projeto-siga siga). Public exploit reference added.
CWE-918 · CNA: VulDB · CVSS v4.0 · 6 references · NVD status: Deferred

Description

A weakness has been identified in projeto-siga siga up to 11.1.1. Affected by this issue is the function DownloadExterno.getUrl of the file sigaex/src/main/java/br/gov/jfrj/siga/vraptor/ExUtilController.java of the component HTML-to-PDF Endpoint. This manipulation of the argument html causes server-side request forgery. The attack may be initiated remotely. The exploit has been made available to the public and could be used for attacks. 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 11, 2026EXPLOIT PUBLISHEDEXPLOIT PUBLISHED — CVE-2026-86273 (projeto-siga siga). Public exploit reference added.

Affected

Affected products and packages — 1 row
VendorProduct / PackageEcosystemVersion introducedFixed
projeto-sigasiga—11.1.0—

Weaknesses

CWE-918

References (6)

Related

Authoritative record: CVE-2026-86273 at cve.org

Vendors: projeto-siga

Weaknesses: CWE-918

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-86273 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.