CVE-2026-23773 — Server-Side Request Forgery

CVE-2026-23773 — Server-Side Request Forgery

CVE-2026-23773 — Dell Disk Library for Mainframe, version(s) DLm 8700/2700 contain(s) a Server-Side Request Forgery (SSRF) vulnerability. A low privileged attacker with remote access could potentially exploit this vulnerability, leading to Server-side request forgery.

What This Means For You

  • If your environment is affected by CWE-918, review your exposure and prioritize patching based on your environment. Monitor vendor advisories for CVE-2026-23773 updates and patches.

Related ATT&CK Techniques

🛡️ Detection Rules

3 rules · 6 SIEM formats

3 detection rules auto-generated for this incident, mapped to MITRE ATT&CK. Sigma YAML is free — export to any SIEM format via the Intel Bot.

high T1190 Initial Access

CVE-2026-23773 - Dell Disk Library SSRF Attempt

Sigma YAML — free preview
title: CVE-2026-23773 - Dell Disk Library SSRF Attempt
id: scw-2026-04-29-ai-1
status: experimental
level: high
description: |
  Detects attempts to exploit CVE-2026-23773 by targeting the specific '/dlm/rest/v1/config/network/interface' endpoint with a POST request, which is indicative of an SSRF attempt within Dell Disk Library for Mainframe.
author: SCW Feed Engine (AI-generated)
date: 2026-04-29
references:
  - https://shimiscyberworld.com/posts/nvd-CVE-2026-23773/
tags:
  - attack.initial_access
  - attack.t1190
logsource:
    category: webserver
detection:
  selection:
      cs-uri|contains:
          - '/dlm/rest/v1/config/network/interface'
      cs-method|exact:
          - 'POST'
      sc-status|exact:
          - '200'
  condition: selection
falsepositives:
  - Legitimate administrative activity

Source: Shimi's Cyber World · License & reuse

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Indicators of Compromise

IDTypeIndicator
CVE-2026-23773 vulnerability CVE-2026-23773
CWE-918 weakness CWE-918
Source & Attribution
Source PlatformNVD
ChannelNational Vulnerability Database
PublishedApril 29, 2026 at 07:16 UTC

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