CVE-2018-18809: TIBCO JasperReports Library Directory Traversal Vulnerability

Is it exploited?

Yes. CISA added it to the Known Exploited Vulnerabilities catalog on 29 Dec 2022, 1,393 days after the CVE record was published.

How likely is exploitation in the next 30 days?

79.1%

EPSS score, percentile 99.6 of all scored records

How severe?

9.9 Critical

CVSS v3.0 base score, given by the CNA

What should I do?

CISA deadline 19 Jan 2023. Apply updates per vendor instructions.

The CVE record links no vendor advisory, patch or mitigation.

Which versions are affected?

Affected

• 6.3.4 and earlier
• 6.4.1
• 6.4.2
• 6.4.21
• 7.1.0
• 7.2.0

and 13 more in the table below

Versions by product

Source: CISA Known Exploited Vulnerabilities (KEV) catalog, 2026.10.28, as of 28 Oct 2026; FIRST Exploit Prediction Scoring System (EPSS), v2026.06.15, as of 28 Oct 2026; CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of 28 Oct 2026. About the data.

What to do

CISA due date for this action: 19 January 2023.

Solution (from the CVE record)

TIBCO has released updated versions of the affected components which address these issues. For each affected system, update to the corresponding software versions: TIBCO JasperReports Library versions 6.3.4 and below update to version 6.3.5 or higher TIBCO JasperReports Library versions 6.4.1, 6.4.2, and 6.4.21 update to version 6.4.22 or higher TIBCO JasperReports Library version 7.1.0 update to version 7.1.1 or higher TIBCO JasperReports Library version 7.2.0 update to version 7.2.1 or higher TIBCO JasperReports Library Community Edition versions 6.7.0 and below update to version 6.7.1 or higher TIBCO JasperReports Library for ActiveMatrix BPM versions 6.4.21 and below update to version 6.4.22 or higher TIBCO JasperReports Server versions 6.3.4 and below update to version 6.3.5 or higher TIBCO JasperReports Server versions 6.4.0, 6.4.1, 6.4.2, and 6.4.3 update to version 6.4.4 or higher TIBCO JasperReports Server version 7.1.0 update to version 7.1.1 or higher TIBCO JasperReports Server Community Edition versions 7.1.0 and below update to version 7.1.1 or higher TIBCO JasperReports Server for ActiveMatrix BPM versions 6.4.3 and below update to version 6.4.4 or higher TIBCO Jaspersoft for AWS with Multi-Tenancy versions 7.1.0 and below update to version 7.1.1 or higher TIBCO Jaspersoft Reporting and Analytics for AWS versions 7.1.0 and below update to version 7.1.1 or higher

Advisories and patches

The CVE record links no vendor advisory, patch or mitigation.

Linked from CISA's catalog entry

• https://www.tibco.com/support/advisories/2019/03/tibco-security-advisory-march-6-2019-tibco-jasperreports-library-2018-18809
• https://nvd.nist.gov/vuln/detail/CVE-2018-18809

Affected products and versions

As listed in the CVE record.

Source: CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of 28 Oct 2026. About the data.

About this vulnerability

TIBCO JasperReports Library contains a directory-traversal vulnerability that may allow web server users to access contents of the host system.

Summary: CISA's KEV catalog, as of 28 Oct 2026.

• CISA added CVE-2018-18809 to its Known Exploited Vulnerabilities (KEV) catalog on 29 Dec 2022.
• CISA's ransomware flag for this entry is "Unknown": no evidence of ransomware use in the catalog, which is not proof of none.
• The due date CISA sets for the required action is 19 Jan 2023.
• The CVE record was published on 7 Mar 2019, 1,393 days before it was added to KEV.
• The CVE record carries a CVSS v3.0 base score of 9.9 (Critical), given by its CNA.
• FIRST's EPSS model puts the probability of exploitation in the next 30 days at 79.1% (percentile 99.6), as of 28 Oct 2026.
• CISA's SSVC assessment in the CVE record: exploitation active, automatable no, technical impact total.

Source: CISA Known Exploited Vulnerabilities (KEV) catalog, 2026.10.28, as of 28 Oct 2026; CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of 28 Oct 2026; FIRST Exploit Prediction Scoring System (EPSS), v2026.06.15, as of 28 Oct 2026. About the data.

Description

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.

Source: CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of 28 Oct 2026. About the data.

Weakness

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

CWE and CAPEC are maintained by MITRE; the entries are those named in the CVE record and the KEV entry.

Timeline

References

• 107351 (Vulnerability database)
• tibco.com
• tibco.com
• 20190909 CVE-2018-18809 Path traversal in Tibco JasperSoft
• packetstormsecurity.com
• security.elarlang.eu
• cybersecurityworks.com

More exploited TIBCO vulnerabilities

• CVE-2018-5430: TIBCO JasperReports Server Information Disclosure Vulnerability (added 29 Dec 2022)