CVE-2026-39087: n/a
ntfy before 2.22.0 allows SSRF because of an unanchored regular expression.
AI Analysis
Technical Summary
ntfy versions prior to 2.22.0 contain a Server-Side Request Forgery (SSRF) vulnerability caused by an unanchored regular expression. This flaw allows an attacker to manipulate server requests, potentially leading to unauthorized access or disruption. The vulnerability is tracked as CVE-2026-39087 with a CVSS 3.1 base score of 9.8, reflecting network attack vector, low attack complexity, no privileges or user interaction required, and impacts on confidentiality, integrity, and availability. No patch or official remediation level has been published yet.
Potential Impact
Successful exploitation of this SSRF vulnerability could allow an attacker to make arbitrary requests from the vulnerable server, potentially accessing internal resources or causing denial of service. The CVSS score of 9.8 indicates critical impact on confidentiality, integrity, and availability. However, no known exploits have been reported in the wild at this time.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, users should monitor vendor communications for updates. No specific temporary mitigations are documented in the available data.
CVE-2026-39087: n/a
Description
ntfy before 2.22.0 allows SSRF because of an unanchored regular expression.
CVSS v3.1
Score 9.8critical
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
ntfy versions prior to 2.22.0 contain a Server-Side Request Forgery (SSRF) vulnerability caused by an unanchored regular expression. This flaw allows an attacker to manipulate server requests, potentially leading to unauthorized access or disruption. The vulnerability is tracked as CVE-2026-39087 with a CVSS 3.1 base score of 9.8, reflecting network attack vector, low attack complexity, no privileges or user interaction required, and impacts on confidentiality, integrity, and availability. No patch or official remediation level has been published yet.
Potential Impact
Successful exploitation of this SSRF vulnerability could allow an attacker to make arbitrary requests from the vulnerable server, potentially accessing internal resources or causing denial of service. The CVSS score of 9.8 indicates critical impact on confidentiality, integrity, and availability. However, no known exploits have been reported in the wild at this time.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, users should monitor vendor communications for updates. No specific temporary mitigations are documented in the available data.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- mitre
- Date Reserved
- 2026-04-06T00:00:00.000Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 69ea9e7887115cfb686fc3b3
Added to database: 4/23/2026, 10:34:32 PM
Last enriched: 5/5/2026, 2:06:57 AM
Last updated: 6/7/2026, 1:24:27 PM
Views: 54
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