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TI-2026-59058 Aliases CVE-2026-86273GHSA-pcw6-8cpc-9hvx

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

Priority HIGH 70CWE-918Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
—
Confidentiality · integrity · availability
Low · Low · Low
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00495 42nd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
projeto-sigasiga11.1.0; 11.1.1—No fix listedCNA
  • siga Vendorprojeto-siga Affected 11.1.0; 11.1.1 Fixed in — No fix listed CNA

CPE names CNA · 1

CPEVersionsRoleVendor
cpe:2.3:a:projeto-siga:siga:*:*:*:*:*:*:*:*———
  • cpe:2.3:a:projeto-siga:siga:*:*:*:*:*:*:*:* Versions — — ·—

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-86273
  2. 2026-10-03 Alias added: GHSA-pcw6-8cpc-9hvx

References

Exploit 1

Other 1

  • TI-2026-59059 projeto-siga Authentication Flow ExAutenticacaoController.java ExAutenticacaoController.autenticar authorization CVSS 4.0MEDIUM 6.9
  • TI-2026-06118 projeto-siga novo cross site scripting CVSS 4.0MEDIUM 5.1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences