Path traversal in Apache SIS lets data files open arbitrary files
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-22 and the CVSS impact.
Summary
Apache SIS from 0.7 through 1.6.0 is affected. When a data file contains links to other files, the library opens them regardless of their paths, which is a missing path restriction (CWE-22). An attacker who can supply a GML, WKT or Landsat scene data file can make Apache SIS open a local file, but the reader stops at the first parsing error, so leaking sensitive data is unlikely.
Written with Claude Haiku 5.5 from the sources below · 2026-11-07
Description from the CNA
This issue affects Apache SIS from version 0.7 through 1.6 inclusive. When a data file contains links to other files, Apache SIS opened these files regardless their paths. It was possible, for example, to specify a path to a local file. However, these files were always expected to be in some specific formats and the reading stops at the first parsing error, which makes this vulnerability unlikely to leak sensitive information. The impacted formats are: * Geographic Markup Language (GML) with `xlink:href` attributes for other files in GML format. * Well Known Text (WKT) with parameter elements for datum shift grids in NADCON, NTv2 or RGF93 formats. * Landsat scene with paths to files for each band in the GeoTIFF format. Users are recommended to upgrade to version 1.7, which fixes the issue by restricting the paths to the same directory as the file containing the references to other files, or to a predetermined directory for datum shift grids.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- 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
Upgrade Apache SIS to version 1.7, which fixes the issue by restricting linked paths to the directory of the file that references them, or to a predetermined directory for datum shift grids.
Written with Claude Haiku 5.5 from the sources below · 2026-11-07
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Advisory ·
Apache SIS — lists.apache.org/thread.html/j43dd1okv97o0qygbox381l01rsszs…
2 records Highest priority Priority LOW 2 LOW
Other records, highest priority first
- TI-2026-80442 SQL injection in Apache SIS feature store sortingPriority LOW 24
Vendor assessments
Timeline
- 2026-10-26 Threatist record created from CVE-2026-110748
- 2026-10-27 Alias added: GHSA-rqv2-hw62-wr72
- 2026-11-03 CVSS score added · CISA ADP
- 2026-11-03 CISA SSVC decision points changed
- 2026-11-07 Affected versions changed · Red Hat
- 2026-11-07 CVSS score added · Red Hat
References
More Apache vulnerabilities
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- TI-2024-30292 Apache OFBiz: Confused controller-view authorization logic (forced browsing) KEVCVSS 3.1CRITICAL 9.8
- TI-2024-26062 Apache OFBiz: Unauthenticated endpoint could allow execution of screen rendering code KEVCVSS 3.1CRITICAL 9.8
- TI-2024-21190 Apache OFBiz: Path traversal leading to RCE KEVCVSS 3.1CRITICAL 9.8
- TI-2024-18186 Apache HugeGraph-Server: Command execution in gremlin KEVCVSS 3.1CRITICAL 9.8
- TI-2023-25106 Deserialization of untrusted data in Apache ActiveMQ KEVCVSS 3.1CRITICAL 10.0
Sources
- CVE-2026-110748 · CVE Program
- CVE-2026-110748 · NVD
- FIRST EPSS
- GHSA-rqv2-hw62-wr72 · GitHub Advisory Database · CC BY 4.0
- CVE-2026-110748 · 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