OSV-2026-535
Security exception in org.htmlunit.cyberneko.HTMLTagBalancer.endElement
No scoreFix available
OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=499447433
Crash type: Security exception
Crash state:
org.htmlunit.cyberneko.HTMLTagBalancer.endElement
java.base/sun.nio.cs.CESU_8.updatePositions
java.base/sun.nio.cs.CESU_8$Encoder.encodeArrayLoop
What each source reports
OSV No score
Security exception in org.htmlunit.cyberneko.HTMLTagBalancer.endElement
OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=499447433
Crash type: Security exception
Crash state:
org.htmlunit.cyberneko.HTMLTagBalancer.endElement
java.base/sun.nio.cs.CESU_8.updatePositions
java.base/sun.nio.cs.CESU_8$Encoder.encodeArrayLoop
- Record
OSV-2026-535- Updated
- 2026-11-02
Affected packages
| Package | Affected | Fixed |
|---|---|---|
htmlunitOSS-Fuzz |
Listed versions, plus commit ranges 4.19.04.20.04.21.0 |
None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
OSV-2026-535 is a vulnerability with no CVSS score yet in htmlunit, published April 5, 2026. No source lists public exploit code. A source reports a fix.