CVE-2026-115721 Apache Vysper - Denial of Service

Apache Vysper contains an unbounded allocation vulnerability in XML parsing, leading to out of memory conditions, letting attackers cause denial of service, exploit requires sending crafted XML data.

CVSS base score 7.5 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
View the NVD record ↗

Details

Type
Denial of Service
Impact
Denial Of Service
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Published
26 October 2026
Updated
27 October 2026

Vendor fix

No fix available as the project is retired; users should migrate to an alternative.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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