CVE-2026-115748
**UNSUPPORTED WHEN ASSIGNED** Authorization bypass in Apache Vysper, all versions
CVE-2026-115748: **UNSUPPORTED WHEN ASSIGNED** Authorization bypass in Apache Vysper, all versions. Not in the CISA KEV catalog.
Compare the source-linked records below. Ratings and product/version details belong to each advisory; they are not a single CVE-wide score or proof that every listed product is affected. How VulniPulse collects and checks evidence.
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CVE-2026-115748 key facts
- CISA KEV
- Not listed (catalog checked )
- Highest advisory severity
- High
- CVSS base score
- 8.8 (Apache), 8.8 (Red Hat)
- Weakness
- CWE-306
- VulniPulse record
- Published · Updated
Scores, vectors, weaknesses and fixed releases are quoted from vendor advisories that cover only CVE-2026-115748; bulletin-wide values are not repeated here.
Is CVE-2026-115748 exploited?
No exploitation is reported in the sources VulniPulse tracks: CVE-2026-115748 is not in the CISA KEV catalog (checked ) and no tracked advisory for it reports exploitation. That is not proof the vulnerability cannot be exploited.
How do I fix CVE-2026-115748?
The tracked advisories that cover only this CVE do not list a fixed release yet. That does not mean no fix exists; check each vendor source below.
Vendor advisory comparison
Apache
1 advisory- Advisory severityHigh8.8
High [CVE-2026-115748] **UNSUPPORTED WHEN ASSIGNED** Authorization bypass in Apache Vysper, all versions
CVE-2026-115748Source published Source updated
- *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.
- Related products — impact not confirmed
- Apache Vysper
- Source-reported affected versions
- Affected-version details not available in this record.
- Source-reported fixed versions
- No fixed-version detail extracted. This does not mean no fix exists.
- Mitigation guidance
- No mitigation guidance extracted; consult the source.
Red Hat
1 advisory- Advisory severityHigh8.8
High [CVE-2026-115748] Account compromise via missing authentication check in In-Band Registration
CVE-2026-115748Source published Source updated
Account compromise via missing authentication check in In-Band Registration. Red Hat rates this important (CVSS 8.8). Weakness: CWE-306. Affected product named by the advisory: Red Hat Fuse 7.
- Related products — impact not confirmed
- Red Hat Fuse 7
- Source-reported affected versions
- Affected-version details not available in this record.
- Source-reported fixed versions
- No fixed-version detail extracted. This does not mean no fix exists.
- Mitigation guidance
- No mitigation guidance extracted; consult the source.
More Apache advisories
- CVE-2026-115721Oct 26, 2026**UNSUPPORTED WHEN ASSIGNED** Unbounded allocation in XML parsing in Apache Vysper; all
- CVE-2026-114349Oct 28, 2026Apache Kafka: When a broker decodes a compressed record batch, the per-record decoder
- CVE-2026-112375Oct 28, 2026Apache Kafka: authenticated Kafka principal with no authorization grants
- CVE-2026-116593Oct 28, 2026Apache Kafka Connect has the /connector-plugins/{connector-type}/config/validate endpoint
- CVE-2026-115644Oct 28, 2026Apache Kafka Connect contains an authentication bypass vulnerability affecting the admin
- CVE-2026-111551Oct 28, 2026Apache Kafka: Several Kafka deserialization paths read a size or count field from input
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