IBM API Connect Denial of Service
CVSS score
9.6
EPSS probability
—
Risk score
1.0
Published
3 h ago
Etkilenen ürün ve sürüm için yayımlanan güvenlik güncellemesini uygulayın.
Impact on My Inventory
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Vulnerability description
DayBreach AI Explanation
Verified against sourcesSources read
2
Source agreement
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Evidence confidence
%61
Short explanation
IBM API Connect versions 10.0.8.0‑10.0.8.12 and 12.1.0.0‑12.1.1.2 are vulnerable to a Regular Expression Denial of Service (ReDoS) and improper neutralisation of wildcard query operators. The CVSS base score is 9.6.
High confidentiality and availability impact can disrupt critical business operations.
What should be done?
- Apply the patches or fix packages published on IBM support pages (S0)
- Upgrade to newer, patched versions when available
- Restrict malicious regex traffic with firewalls or WAFs
- Monitor IBM security advisories regularly
The sources give limited detail on some technical conditions. Review the chain of evidence below before deciding how to act.
Chain of evidence and sources
CVE‑2026‑18535 için CVSS temel skoru 9.6 ve kritik şiddet derecesi belirlenmiştir.
IBM, etkilenen sürümler için yama ve düzeltme paketleri yayınlamıştır.
CISA KEV listesinde yer almadığından aktif istismar raporlanmamıştır.
Etkilenen sürümler 10.0.8.0‑10.0.8.12 ve 12.1.0.0‑12.1.1.2 arasındadır.
Show the technical text from the sources
IBM API Connect 10.0.8.0 through 10.0.8.12 and 12.1.0.0 through 12.1.1.2 are vulnerable to a Regular Expression Denial of Service (ReDoS) attack and to improper neutralisation of wildcard query operators.
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:H
CWE: CWE-1333
This explanation was compiled automatically from the source records. Scores, active exploitation, patch and exploit status come straight from the sources.
IMPACT: Affected Products and Software
Affected Products
The following products are affected by CVE-2026-18535 vulnerability. Where our threat engine knows the exact affected versions, they are listed below.
| ID | VENDOR | PRODUCT | ACTION |
|---|---|---|---|
| 1 | ibm | api connect | View |
RED HAT CSAF/VEX: Product Impact Check
SCORING: CVSS from Multiple Sources
CVSS Scores
The Common Vulnerability Scoring System is a standardised framework for assessing the severity of vulnerabilities in software and systems. We collect and display CVSS scores from several sources for each CVE.
| SCORE | VERSION | SEVERITY | VECTOR | SOURCE |
|---|---|---|---|---|
| 9.6 | CVSS V3_1 | CRITICAL | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:H | CVE CNA |
| 9.6 | CVSS V31 | CRITICAL | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:H | NVD |
Patch and Remediation Guide
Solution & Remediation Advisory
4 doğrulanmış yama veya düzeltilmiş sürüm kanıtı bulundu.
Public exploit and active exploitation status
Verified exploit intelligence
No verified public PoC, exploit repository or Metasploit module has been found for this CVE yet.
Weakness Classification and Attack Patterns (CWE & CAPEC)
CWE - Common Weakness Enumeration
While CVE identifies specific instances of vulnerabilities, CWE categorises the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-18535 is associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-18535 weaknesses.
Attack Vector and Accessibility
Official Sources and Advisories
Similar Vulnerabilities
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