CVE-2026-113582 Apache Abdera - XML External Entity Injection

Apache Abdera contains an XML external entity injection caused by improper restriction of XML external entity references, letting attackers access sensitive data or make server-side requests when parsing attacker-controlled XML, exploit requires attacker-controlled XML input.

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

Details

Type
XML External Entity Injection
Impact
Information Disclosure, Server Side Request Forgery
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Published
22 October 2026
Updated
23 October 2026
Weakness
CWE-611

Vendor fix

Migrate to a maintained alternative or ensure untrusted XML cannot reach the affected Abdera parser.

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

← All CVEs