CVE-2026-115748
Apache Vysper: Authorization bypass
Description
**UNSUPPORTED WHEN ASSIGNED** Authorization bypass in Apache Vysper, all versions. Apache Vysper is an XMPP (Jabber) server library. Its XEP-0077 (In-Band Registration) implementation is missing an authentication check, allowing any authenticated user to compromise other accounts. As this project is retired, we do not plan to release a version that fixes this issue. Users are recommended to find an alternative.
INFO
Published Date :
Oct. 26, 2026, 4:17 p.m.
Last Modified :
Oct. 26, 2026, 4:54 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
Affected Products
The following products are affected by CVE-2026-115748
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
No affected product recoded yet
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | HIGH | f0158376-9dc2-43b6-827c-5f631a4d8d09 | ||||
| CVSS 3.1 | HIGH | MITRE-CVE | ||||
| CVSS 3.1 | HIGH | [email protected] |
Solution
- Migrate to an alternative XMPP server.
- Remove Apache Vysper from your infrastructure.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-115748.
| URL | Resource |
|---|---|
| https://lists.apache.org/thread.html/979n9lzg10vc7tdrrlgy4lh5yrsw8wsj | |
| https://mina.apache.org/vysper-project/ | |
| http://www.openwall.com/lists/oss-security/2026/10/23/21 |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-115748 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-115748
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-115748 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-115748 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
New CVE Received by [email protected]
Oct. 26, 2026
Action Type Old Value New Value Added Tag unsupported-when-assigned Added Description **UNSUPPORTED WHEN ASSIGNED** Authorization bypass in Apache Vysper, all versions. Apache Vysper is an XMPP (Jabber) server library. Its XEP-0077 (In-Band Registration) implementation is missing an authentication check, allowing any authenticated user to compromise other accounts. As this project is retired, we do not plan to release a version that fixes this issue. Users are recommended to find an alternative. Added CVSS V3.1 AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Added CWE CWE-639 Added Affected New affected value received. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/115xxx/CVE-2026-115748.json">CVE-2026-115748</a> Added Reference https://lists.apache.org/thread.html/979n9lzg10vc7tdrrlgy4lh5yrsw8wsj Added Reference https://mina.apache.org/vysper-project/ -
CVE Modified by af854a3a-2127-422b-91ae-364da2661108
Oct. 26, 2026
Action Type Old Value New Value Added Reference http://www.openwall.com/lists/oss-security/2026/10/23/21