CVE-2026-86273

projeto-siga HTML-to-PDF Endpoint ExUtilController.java DownloadExterno.getUrl server-side request forgery

HIGH
7.3
CVSS Score
Published: September 7, 2026 at 05:00 AM UTC
Updated: September 11, 2026 at 09:17 PM UTC
1 product affected across 1 vendorSIGA

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Severity
HIGH7.3
Exploit prediction
EPSS 0.5%
SSVC
PoC

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (6)

VDB EntryTechnical Description
Source: cverecord
https://vuldb.com/vuln/399434
SignaturePermissions Required
Source: cverecord
https://vuldb.com/vuln/399434/cti
Third Party Advisory
Source: cverecord
https://vuldb.com/cve/CVE-2026-86273
Third Party Advisory
Source: cverecord
https://vuldb.com/submit/904863
ExploitIssue Tracking
Source: cverecord
https://github.com/projeto-siga/siga/issues/2492

SSVC — Action Prioritization

SSVCPoCAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.3HIGHVulDB
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-918

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