What’s Vulnerable › Vulnerabilities

CVE-2026-86273: projeto-siga HTML-to-PDF Endpoint ExUtilController.java DownloadExterno.getUrl server-side request forgery

• Severity: high (CVSS 7.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-09-07 · updated 2026-09-11
• Weakness: CWE-918

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 products

• projeto-siga siga: 11.1.0, 11.1.1

References

• https://github.com/projeto-siga/siga/
• https://github.com/projeto-siga/siga/issues/2492
• https://vuldb.com/cve/CVE-2026-86273
• https://vuldb.com/submit/904863
• https://vuldb.com/vuln/399434
• https://vuldb.com/vuln/399434/cti

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