Have exploitation attempts been observed for CVE-2018-18809?

Yes. Exploitation attempts have been reported for this vulnerability. Previdian lists CVE-2018-18809 as a known exploited vulnerability. Confidence is confirmed.

What exploitation activity has Previdian observed?

Previdian has not yet recorded sensor-observed exploitation attempts for CVE-2018-18809. Our sensors continue to monitor for activity targeting this CVE.

Which versions are affected?

CVE-2018-18809 affects TIBCO JasperReports Library and 7 other products. Previdian lists 19 version rows; examples include unspecified to <= 6.3.4, 6.4.1, and 6.4.2.

Yes. CVE-2018-18809 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

CVE-2018-18809 Exploitation Attempts Observed in the Wild — TIBCO

Q: How should organizations remediate it?

Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.

Q: Is it in CISA KEV?

Yes. CVE-2018-18809 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

Decision summary

What security teams need to know first

Direct answers before the deeper technical record.

What it is

CVE-2018-18809 is TIBCO JasperReports Library Directory Traversal Vulnerability. The default server implementation of TIBCO Software Inc.'s TIBCO JasperReports Library, TIBCO JasperReports Library Community Edition,...

Have exploitation attempts been observed?

Yes. Exploitation attempts have been reported for this vulnerability. Previdian lists it as a known exploited vulnerability. Listed in CISA KEV. Also reported by third-party sources. Confidence is confirmed.

Who is affected?

TIBCO JasperReports Library unspecified to <= 6.3.4.

What should we do?

Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.

Overview

TIBCO JasperReports Library Directory Traversal Vulnerability

The default server implementation of TIBCO Software Inc.'s TIBCO JasperReports Library, TIBCO JasperReports Library Community Edition, TIBCO JasperReports Library for ActiveMatrix BPM, TIBCO JasperReports Server, TIBCO JasperReports Server Community Edition, TIBCO JasperReports Server for ActiveMatrix BPM, TIBCO Jaspersoft for AWS with Multi-Tenancy, and TIBCO Jaspersoft Reporting and Analytics for AWS contains a directory-traversal vulnerability that may theoretically allow web server users to access contents of the host system.

Affected releases are TIBCO Software Inc.'s TIBCO JasperReports Library: versions up to and including 6.3.4; 6.4.1; 6.4.2; 6.4.21; 7.1.0; 7.2.0, TIBCO JasperReports Library Community Edition: versions up to and including 6.7.0, TIBCO JasperReports Library for ActiveMatrix BPM: versions up to and including 6.4.21, TIBCO JasperReports Server: versions up to and including 6.3.4; 6.4.0; 6.4.1; 6.4.2; 6.4.3; 7.1.0, TIBCO JasperReports Server Community Edition: versions up to and including 6.4.3; 7.1.0, TIBCO JasperReports Server for ActiveMatrix BPM: versions up to and including 6.4.3, TIBCO Jaspersoft for AWS with Multi-Tenancy: versions up to and including 7.1.0, TIBCO Jaspersoft Reporting and Analytics for AWS: versions up to and including 7.1.0.

Vendor Product Affected Status

TIBCO Software Inc. Affected

TIBCO JasperReports Library

Through 6.3.4 6.4.1 6.4.2 6.4.21 7.1.0 7.2.0

Affected

TIBCO Software Inc. Affected

TIBCO JasperReports Library Community Edition

Through 6.7.0

Affected

TIBCO Software Inc. Affected

TIBCO JasperReports Library for ActiveMatrix BPM

Through 6.4.21

Affected

TIBCO Software Inc. Affected

TIBCO JasperReports Server

Through 6.3.4 6.4.0 6.4.1 6.4.2 6.4.3 7.1.0

Affected

TIBCO Software Inc. Affected

TIBCO JasperReports Server Community Edition

Through 6.4.3 7.1.0

Affected

TIBCO Software Inc. Affected

TIBCO JasperReports Server for ActiveMatrix BPM

Through 6.4.3

Affected

TIBCO Software Inc. Affected

TIBCO Jaspersoft for AWS with Multi-Tenancy

Through 7.1.0

Affected

TIBCO Software Inc. Affected

TIBCO Jaspersoft Reporting and Analytics for AWS

Through 7.1.0

Affected

Published: 07 Mar 2019
Exploitation Attempts Reported: 29 Dec 2022
Attack vector: Remote
Complexity: Low
Privileges: Low
User interaction: None

CVE References

CVE Record CVE.org · CVE Record https://www.cve.org/CVERecord?id=CVE-2018-18809
107351 securityfocus.com · VDB Entry http://www.securityfocus.com/bid/107351
20190909 CVE-2018-18809 Path traversal in Tibco JasperSoft seclists.org · Mailing List http://seclists.org/fulldisclosure/2019/Sep/17
tibco.com/services/support/advisories tibco.com · CVE Record http://www.tibco.com/services/support/advisories
tibco.com/support/advisories/2019/03/tibco-security-ad... tibco.com · CVE Record https://www.tibco.com/support/advisories/2019/03/tibco-security-advis...
packetstormsecurity.com/files/154406/Tibco-JasperSoft-Path-Traversal... packetstormsecurity.com · CVE Record http://packetstormsecurity.com/files/154406/Tibco-JasperSoft-Path-Tra...
security.elarlang.eu/cve-2018-18809-path-traversal-in-tibco-jaspe... security.elarlang.eu · CVE Record https://security.elarlang.eu/cve-2018-18809-path-traversal-in-tibco-j...
cybersecurityworks.com/zerodays/cve-2018-18809-tibco.html cybersecurityworks.com · CVE Record https://cybersecurityworks.com/zerodays/cve-2018-18809-tibco.html

Exploitation evidence

Evidence of exploitation attempts

Third-party attestation and first-party sensor observation are shown separately so teams can judge the evidence chain.

Exploitation attempts observed in the wild

CISA

Recorded 29 Dec 2022

A trusted third party reported exploitation attempts.

Proof of concept available

Nuclei Templates

Recorded 12 Jun 2026

Public scanner or PoC coverage increases practical exploitability.

Known exploited vulnerability sources

Per-source evidence links for KEV attestations are available through the Previdian Pro API.

Learn about Pro API access

Source	Added
CISA First	2022-12-29 00:00 UTC
The Shadowserver	2026-09-21 00:00 UTC

Detection

Operational artifacts and observed signals

Make the evidence actionable in scanner, SOC, and edge-control workflows.

Observed signals

Request targets
User-Agents
Callback hosts: 0; 0; 0

Request targets and User-Agents available in Pro. Callback host details available in Enterprise.

Scanner coverage

Nuclei template detected 25 Apr 2025.

View Nuclei template

Virtual patch status

No Previdian virtual patch is currently available. Future rules ship for ModSecurity, Cloudflare, and AWS WAF.

Learn about virtual patches →

Scanner Artifacts

Scanner and exploit-framework references linked to this CVE.

Scanner	Reference	Detected
Nuclei	https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2018/CVE-2018-18809.yaml	25 Apr 2025

Risk and context

Severity, weaknesses, and research context

CVSS v3.1

6.5 Medium

Potential damage if exploited. Separate from whether attackers are using it.

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

EPSS

79.1%

Estimated chance of exploitation in the next 30 days. Previdian's warning comes from evidence, not this score.

Weaknesses

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') CWE-22

All CVSS Scores

CVSS v3.1 6.5 Medium

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

CVSS v3.0 9.9 Critical

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

CVSS v2.0 4.0 Medium

AV:N/AC:L/Au:S/C:P/I:N/A:N

Potential Proof of Concepts

These PoCs are unverified and could contain malware. Use at your own risk.

TIBCO JasperReports Library - Directory Traversal

nuclei · Created Unknown

Timeline

From disclosure to observed exploitation attempts

21 Sep 2026
00:00 UTC

KEV confirmed by The Shadowserver

Exploitation attempts reported by an external source
12 Jun 2026
14:20 UTC

Public PoC available

Public proof-of-concept code published
25 Apr 2025
00:00 UTC

Nuclei template available

Scanner coverage available
29 Dec 2022
00:00 UTC

Added to CISA KEV

Listed in the CISA Known Exploited Vulnerabilities catalog
07 Mar 2019
22:00 UTC

CVE published

Vulnerability disclosed publicly
29 Oct 2018
00:00 UTC

CVE ID reserved

Identifier reserved by the CNA

Pro API

Automate this intelligence

Confidence, exploit status, sensor telemetry, PoCs, scanner integrations, mentions, and tags are available programmatically for VM, SOC, and CTI workflows.

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Evidence confidence and provenance
First-party sensor telemetry
PoC and scanner references
Affected versions and enrichment
Automation-ready JSON delivery

GET /api/v2/pro/kevs/CVE-2018-18809

Sample API response

{
  "cve_id": "CVE-2018-18809",
  "confidence": "Confirmed",
  "cvss_score": 6.5,
  "cvss_estimated": false,
  "epss_score": 0.79064,
  "exploit_status": {
    "exploited_in_the_wild": true,
    "active_exploitation_observed": false
  },
  "sensor_telemetry": { "attempts": 0, "sensors": 0 }
}

CVE-2018-18809

TIBCO JasperReports Library Directory Traversal Vulnerability

Tags

CVE References

Exploitation attempts observed in the wild

Proof of concept available

Known exploited vulnerability sources

Observed signals

Scanner coverage

Virtual patch status

Scanner Artifacts

Weaknesses

All CVSS Scores

Potential Proof of Concepts

KEV confirmed by The Shadowserver

Public PoC available

Nuclei template available

Added to CISA KEV

CVE published

CVE ID reserved

Automate this intelligence