CVE-2022-26661Network attack vector

Arbitrary file disclosure via SEPA XML entities

Published Mar 7, 2022 · Updated Aug 3, 2024

XXE in affected Tryton Application Platform Server and Proteus releases allows remote authenticated users to read arbitrary host files. The CAMT.054 SEPA import path parses attacker-supplied XML while permitting external entity resolution, causing entity references to load local resources. The attack requires an authenticated account able to submit an incoming SEPA message and exposes files readable by the server process, without reported write access or service interruption.

CVSS severity6.5
Medium
EPSS probability1.41%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

XXE in affected Tryton Application Platform Server and Proteus releases allows remote authenticated users to read arbitrary host files. The CAMT.054 SEPA import path parses attacker-supplied XML while permitting external entity resolution, causing entity references to load local resources. The attack requires an authenticated account able to submit an incoming SEPA message and exposes files readable by the server process, without reported write access or service interruption.

The record

CVE
CVE-2022-26661
Published
Mar 7, 2022
Updated
Aug 3, 2024
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-611, T1005
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Mar 7, 2022CVE publishedPublication date reported by the CVE source.
  2. Aug 3, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

4.0NIST NVDAV:N/AC:L/Au:S/C:P/I:N/A:N
6.5NIST NVDCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-611Improper Restriction of XML External Entity Reference
T1005Data from Local System

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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