CVE-2026-58246

Session impersonation via identifiers written to traces

Published Jul 28, 2026 · Updated Jul 28, 2026

Information disclosure in SAP NetWeaver Application Server ABAP allows attackers to obtain valid session identifiers from diagnostic traces. When a privileged user activates diagnostic tracing, the server writes sensitive session identifier information into the resulting trace without preventing later disclosure. Access to trace data enables impersonation only while the exposed identifiers remain valid; integrity and availability are unaffected.

CVSS severity4.3
Medium
EPSS probability0.15%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Information disclosure in SAP NetWeaver Application Server ABAP allows attackers to obtain valid session identifiers from diagnostic traces. When a privileged user activates diagnostic tracing, the server writes sensitive session identifier information into the resulting trace without preventing later disclosure. Access to trace data enables impersonation only while the exposed identifiers remain valid; integrity and availability are unaffected.

The record

CVE
CVE-2026-58246
Published
Jul 28, 2026
Updated
Jul 28, 2026
Vendor
cap-js
Product
SAP NetWeaver Application Server ABAP
Classifications
CWE-497, T1212
Attack vector
adjacent
Privileges
admin

Timeline

How it unfolded

  1. Jul 28, 2026CVE publishedPublication date reported by the CVE source.
  2. Jul 28, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=SAP_BASIS 740
  2. Affected versionversion=SAP_BASIS 750
  3. Affected versionversion=SAP_BASIS 751
  4. Affected versionversion=SAP_BASIS 752
  5. Affected versionversion=SAP_BASIS 753
  6. Affected versionversion=SAP_BASIS 754
  7. Affected versionversion=SAP_BASIS 755
  8. Affected versionversion=SAP_BASIS 756
  9. Affected versionversion=SAP_BASIS 757
  10. Affected versionversion=SAP_BASIS 758
  11. Affected versionversion=SAP_BASIS 795

What conditions does exploitation require?

Attack vectoradjacent
Required privilegesadmin

What is affected?

cap-js · SAP NetWeaver Application Server ABAPversion=SAP_BASIS 740; version=SAP_BASIS 750; version=SAP_BASIS 751; version=SAP_BASIS 752; version=SAP_BASIS 753; version=SAP_BASIS 754; version=SAP_BASIS 755; version=SAP_BASIS 756; version=SAP_BASIS 757; version=SAP_BASIS 758; version=SAP_BASIS 795

Published CVSS scores

4.3SAP SECVSS:3.1/AV:A/AC:L/PR:H/UI:R/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)
Vectoradjacent
Privilegesadmin
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-497Exposure of Sensitive System Information to an Unauthorized Control Sphere
T1212Exploitation for Credential Access

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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