01 Record
CVE-2026-87743
Quarkus-vertx-http: authorization bypass via path normalization discrepancy in quarkus http security
HighPUBLISHEDCNA: redhat
CNA base score7.5 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
02 Description
Quarkus-vertx-http: authorization bypass via path normalization discrepancy in quarkus http security
03 Exploitation and scoring
- Exploitation
- Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
- SSVC decision
- ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
- AutomatableyesAn attacker can reliably automate reconnaissance through exploitation, so this scales.
- Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.
- EPSS probability
- 0.52% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 44.0% of scored records. A rank, not a probability.
- NVD base score
- 7.5 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- NVD analysis status
- Awaiting Analysis. NVD last modified this record on 2026-10-09.
- Red Hat severity
- Important. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2026-09-18 09:38Z1 MO AGO
- Last updated
- 2026-10-29 17:44Z30 MIN AGO
- Reserved
- 2026-09-09
- Assigning CNA
- redhat
- Record state
- PUBLISHED
- Severity
- High (CVSS 7.5)
- CNA CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- Weaknesses
- CWE-551Incorrect Behavior Order: Authorization Before Parsing and CanonicalizationBase
- Data version
- 5.2
- Document digest
- c672ff78f7a1874a9d64d87011b5bf70a24b1ff3cf15d5bd00ebfd1663db727c
05 Affected products
VendorProductVersionsPlatforms
06 References
- access.redhat.comRHSA-2026:69440https://access.redhat.com/errata/RHSA-2026:69440
- access.redhat.comRHSA-2026:69470https://access.redhat.com/errata/RHSA-2026:69470
- access.redhat.comRHSA-2026:90321https://access.redhat.com/errata/RHSA-2026:90321
- access.redhat.comhttps://access.redhat.com/security/cve/CVE-2026-87743
- bugzilla.redhat.comRHBZ#2530523https://bugzilla.redhat.com/show_bug.cgi?id=2530523