Apache Tapestry: Possible classpath file download through URL manipulation
Priority MEDIUM 40CWE-200Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-200.
Summary
Vulnerability in tapestry-core in Apache Tapestry 5.5.0+ on all platforms allows attackers to download clsspath assets via specially crafted URLs. Users are recommended to upgrade to version 5.9.1, which fixes this issue.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00713 53rd percentileScored 2026-11-07
Fix Fixed Apache Tapestry (Apache Software Foundation): 5.9.1
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- 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
Remediation
- Fix · CNA Apache Tapestry (Apache Software Foundation) Fixed in 5.9.1
Vendor assessments
Red Hat
Red Hat rating: Important. Red Hat's page for this CVE →
Not affected: 1 product
- Red Hat JBoss Enterprise Application Platform Expansion Pack
Timeline
- 2026-10-02 Threatist record created from CVE-2026-61899
- 2026-10-03 Alias added: GHSA-vx78-858g-p63x
References
More Apache Tapestry vulnerabilities
- TI-2021-09208 Bypass of the fix for CVE-2019-0195 CVSS 3.1CRITICAL 9.8
- TI-2019-00172 Deserialization of untrusted data in Apache Tapestry CVSS 3.1CRITICAL 9.8
- TI-2020-13279 Deserialization flaw in EOL Tapestry 4. CVSS 3.1CRITICAL 9.8
- TI-2019-07397 Observable discrepancy in Apache Tapestry CVSS 3.1CRITICAL 9.8
- TI-2022-22909 Apache Tapestry prior to version 4 (EOL) allows RCE though deserialization of untrusted input CVSS 3.1CRITICAL 9.8
- TI-2014-01541 Apache Tapestry before 5.3.6 relies on client-side object storage without checking… CVSS 2.0HIGH 7.8
Sources
- CVE-2026-61899 · CVE Program
- CVE-2026-61899 · NVD
- FIRST EPSS
- GHSA-vx78-858g-p63x · GitHub Advisory Database · CC BY 4.0
- CVE-2026-61899 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences