CVE-2026-15554
Undertow-core: undertow: authentication bypass via ajp ssl_cert/is_ssl forgery
CVSS Skor
7.4
EPSS İhtimal
%0.4
Risk Skoru
0.0
Yayın
2 ay önce
Yama durumu henüz doğrulanamadı
Resmî kaynaklarda yeterli kanıt bulunamadı. Bu sonuç “yama yok” anlamına gelmez.
Envanterimdeki Etkisi
Yalnızca hesabınıza eklediğiniz kişisel ürünler değerlendirilir; kurumsal envanter burada görünmez.
Oturum kontrol ediliyor…
Zafiyet Açıklaması
DayBreach CVE AI Araştırması
CVE-2026-15554 için toplanan üretici, dağıtım, yama ve güvenlik kaynağı kayıtlarını karşılaştırıp kanıt bağlantılı bir açıklama hazırlayalım.
the Undertow AJP listener honours forged ssl_cert and is_ssl AJP attributes without requiring any shared-secret authentication. This enables an unauthenticated attacker with direct TCP access to port 8009 to bypass CLIENT-CERT authentication by injecting a forged X.509 certificate via the AJP protocol.
IMPACT — Etkilenen Ürünler ve Yazılımlar
Affected Products
The following products are affected by CVE-2026-15554 vulnerability. Even if our threat engine is aware of the exact versions of the products that are affected, the information is represented below.
| ID | VENDOR | PRODUCT | ACTION |
|---|---|---|---|
| 1 | Red Hat | Red Hat JBoss Enterprise Application Platform 7.4.25 | İncele |
| 2 | Red Hat | Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7 | İncele |
| 3 | Red Hat | Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7 | İncele |
| 4 | Red Hat | Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7 | İncele |
| 5 | Red Hat | Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7 | İncele |
| 6 | Red Hat | Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7 | İncele |
| 7 | Red Hat | Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7 | İncele |
| 8 | Red Hat | Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7 | İncele |
| 9 | Red Hat | Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7 | İncele |
| 10 | Red Hat | Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7 | İncele |
| 11 | Red Hat | Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7 | İncele |
| 12 | Red Hat | Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7 | İncele |
| 13 | Red Hat | Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 8 | İncele |
| 14 | Red Hat | Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 8 | İncele |
| 15 | Red Hat | Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 8 | İncele |
| 16 | Red Hat | Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 8 | İncele |
| 17 | Red Hat | Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 8 | İncele |
| 18 | Red Hat | Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 8 | İncele |
| 19 | Red Hat | Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 8 | İncele |
| 20 | Red Hat | Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 8 | İncele |
| 21 | Red Hat | Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 8 | İncele |
| 22 | Red Hat | Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 8 | İncele |
| 23 | Red Hat | Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 8 | İncele |
| 24 | Red Hat | Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 9 | İncele |
| 25 | Red Hat | Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 9 | İncele |
| 26 | Red Hat | Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 9 | İncele |
| 27 | Red Hat | Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 9 | İncele |
| 28 | Red Hat | Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 9 | İncele |
| 29 | Red Hat | Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 9 | İncele |
| 30 | Red Hat | Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 9 | İncele |
| 31 | Red Hat | Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 9 | İncele |
| 32 | Red Hat | Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 9 | İncele |
| 33 | Red Hat | Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 9 | İncele |
| 34 | Red Hat | Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 9 | İncele |
| 35 | Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 | İncele |
| 36 | Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 | İncele |
| 37 | Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 | İncele |
| 38 | Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 | İncele |
| 39 | Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 | İncele |
| 40 | Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 | İncele |
| 41 | Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 | İncele |
| 42 | Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 | İncele |
| 43 | Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 | İncele |
| 44 | Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 | İncele |
| 45 | Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 | İncele |
| 46 | Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 | İncele |
| 47 | Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 | İncele |
| 48 | Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 | İncele |
| 49 | Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 | İncele |
| 50 | Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 | İncele |
| 51 | Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 | İncele |
| 52 | Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 | İncele |
| 53 | Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 | İncele |
| 54 | Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 | İncele |
| 55 | Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 | İncele |
| 56 | Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 | İncele |
| 57 | Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 | İncele |
| 58 | Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 | İncele |
| 59 | Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 | İncele |
| 60 | Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 | İncele |
| 61 | Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 | İncele |
| 62 | Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 | İncele |
| 63 | Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 | İncele |
| 64 | Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 | İncele |
| 65 | Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 | İncele |
| 66 | Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 | İncele |
| 67 | Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 | İncele |
| 68 | Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 | İncele |
| 69 | Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8 | İncele |
| 70 | Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8 | İncele |
| 71 | Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8 | İncele |
| 72 | Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8 | İncele |
| 73 | Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8 | İncele |
| 74 | Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8 | İncele |
| 75 | Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8 | İncele |
| 76 | Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8 | İncele |
| 77 | Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8 | İncele |
| 78 | Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8 | İncele |
| 79 | Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8 | İncele |
| 80 | Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8 | İncele |
| 81 | Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8 | İncele |
| 82 | Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8 | İncele |
| 83 | Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8 | İncele |
| 84 | Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8 | İncele |
| 85 | Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8 | İncele |
| 86 | Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8 | İncele |
| 87 | Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8 | İncele |
| 88 | Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8 | İncele |
| 89 | Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8 | İncele |
| 90 | Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8 | İncele |
| 91 | Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8 | İncele |
| 92 | Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8 | İncele |
| 93 | Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8 | İncele |
| 94 | Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8 | İncele |
| 95 | Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8 | İncele |
| 96 | Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8 | İncele |
| 97 | Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8 | İncele |
| 98 | Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8 | İncele |
| 99 | Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8 | İncele |
| 100 | Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8 | İncele |
| 101 | Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8 | İncele |
| 102 | Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9 | İncele |
| 103 | Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9 | İncele |
| 104 | Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9 | İncele |
| 105 | Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9 | İncele |
| 106 | Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9 | İncele |
| 107 | Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9 | İncele |
| 108 | Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9 | İncele |
| 109 | Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9 | İncele |
| 110 | Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9 | İncele |
| 111 | Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9 | İncele |
| 112 | Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9 | İncele |
| 113 | Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9 | İncele |
| 114 | Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9 | İncele |
| 115 | Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9 | İncele |
| 116 | Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9 | İncele |
| 117 | Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9 | İncele |
| 118 | Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9 | İncele |
| 119 | Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9 | İncele |
| 120 | Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9 | İncele |
| 121 | Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9 | İncele |
| 122 | Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9 | İncele |
| 123 | Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9 | İncele |
| 124 | Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9 | İncele |
| 125 | Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9 | İncele |
| 126 | Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9 | İncele |
| 127 | Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9 | İncele |
| 128 | Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9 | İncele |
| 129 | Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9 | İncele |
| 130 | Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9 | İncele |
| 131 | Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9 | İncele |
| 132 | Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9 | İncele |
| 133 | Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9 | İncele |
| 134 | Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9 | İncele |
| 135 | Red Hat | Red Hat JBoss Enterprise Application Platform 7 | İncele |
| 136 | Red Hat | Red Hat JBoss Enterprise Application Platform Expansion Pack | İncele |
RED HAT CSAF/VEX — Ürün Etki Kontrolü
Red Hat bu CVE için henüz bir CSAF/VEX etki kaydı yayımlamamış. Bu durum “etkilenmiyor” anlamına gelmez.
SCORING — CVSS Çoklu Kaynak Skoru
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and display CVSS scores from various sources for each CVE.
| SCORE | VERSION | SEVERITY | VECTOR | SOURCE |
|---|---|---|---|---|
| 7.4 | CVSS V31 | HIGH | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N | NVD |
| 7.4 | CVSS V3_1 | HIGH | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N | CVE CNA |
Yama ve İyileştirme Rehberi (Solution)
Solution & Remediation Advisory
İncelenen resmî kaynaklarda yama durumu doğrulanamadı. Bu sonuç “yama yok” anlamına gelmez.
Etkilenen ürün ve sürümü yukarıdaki kaynak kanıtlarıyla doğrulayın.
İnternete açık servislerde erişimi kısıtlayın ve ağ segmentasyonu uygulayın.
Yama doğrulanana kadar üretici bültenini izleyin; bilinmeyen durumu “yama yok” olarak yorumlamayın.
Sunucu günlüklerini ve ağ uçlarını anormal çalıştırma belirtileri için izleyin.
Public exploit ve aktif sömürü durumu
Doğrulanmış exploit istihbaratı
Bu CVE için henüz doğrulanmış public PoC, exploit repository’si veya Metasploit modülü bulunamadı.
Zafiyet Dağılımı ve Saldırı Kalıpları (CWE & CAPEC)
CWE - Common Weakness Enumeration
While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-15554 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-2026-15554 weaknesses.
Saldırı Vektörü ve Erişilebilirlik Karakteristiği
ErişimAğ üzerinden
YetkiGerekmiyor
KullanıcıGerekmiyor
Resmi Kaynaklar ve Danışma Bültenleri
RHSA-2026:53644vendor-advisoryRHSA-2026:53645vendor-advisoryRHSA-2026:53646vendor-advisoryRHSA-2026:53806vendor-advisoryRHSA-2026:70228vendor-advisoryRHSA-2026:70229vendor-advisoryRHSA-2026:70230vendor-advisoryRHSA-2026:70277vendor-advisoryhttps://access.redhat.com/security/cve/CVE-2026-15554vendor-advisoryRHBZ#2480601vendor-advisory
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Bu açığı API ile alın
Etkilenen ürünler, sürüm aralıkları, istismar durumu ve yama bilgisi tek istekte; ücretsiz anahtarla.
curl -H "x-api-key: $DAYBREACH_API_KEY" \ "https://api.daybreach.dev/api/v1/intel/cves/CVE-2026-15554"