CVE-2026-8763GHSA-9PWP-9QQC-PR26
Name Constraints bypass via trailing dot in rfc822Name and URI
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Not listed in CISA KEV
- Fix
- Fixed in 1.85, 2.73.12, 1.0.2.7, 2.0.2, 2.1.3
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
CISA's decision points: whether it is exploited, whether attacks can be automated, and how much control an attacker gets. Assessed (SSVC 2.0.3).What do these mean? →
- Exploitation: none
- Automatable: yes
- Technical impact: total
Summary
In Bouncy Castle for Java before 1.85, Name Constraints bypass via trailing dot in rfc822Name and URI. This issue also affects Bouncy Castle for Java LTS before 2.73.12, and Bouncy Castle for Java FIPS (BC-FJA) before bc-fips 1.0.2.7 (1.0.X series), 2.0.2 (2.0.X series) and 2.1.3 (2.1.X series).
Timeline
- CVE published
- CISA SSVC assessment
Exploitation: none · Automatable: yes · Technical impact: total
- Record last updated
Affected versions
- bcprov
fixed in 1.85
- bcprov-lts8on
From 2.73.0 · fixed in 2.73.12
- bc-fips
From 1.0.0 · fixed in 1.0.2.7; From 2.0.0 · fixed in 2.0.2; From 2.1.0 · fixed in 2.1.3
- org.bouncycastle:bc-fipsMaven
fixed in 1.0.2.7
- org.bouncycastle:bc-fipsMaven
From 2.0.0 · fixed in 2.0.2
- org.bouncycastle:bc-fipsMaven
From 2.1.0 · fixed in 2.1.3
- org.bouncycastle:bcprov-jdk18onMaven
fixed in 1.85
- org.bouncycastle:bcprov-lts8onMaven
fixed in 2.73.12
- org.bouncycastle:bcprov-jdk15to18Maven
fixed in 1.85