CVE-2025-59390-

CVE-2025-59390- The attached POC will allow you to crack the Kerberos signiture in Apache Druid and also, any integer created by ThreadLocalRandom Advisory - Apache Druid’s Kerberos authenticator uses a weak fallback secret when the druid.auth.authenticator.kerberos.cookieSignatureSecret...

AsyncHttpClient: Digest authentication cnonce generated with a non-cryptographic random source

Impact The client nonce used in HTTP Digest authentication was generated from ThreadLocalRandom, a fast but non-cryptographic pseudorandom number generator. RFC 7616 section 3.3 requires the cnonce to be unpredictable, since it is part of what protects the Digest exchange against chosen-plaintext...

GHSA-MFJ3-87QQ-382V AsyncHttpClient: Digest authentication cnonce generated with a non-cryptographic random source

Impact The client nonce used in HTTP Digest authentication was generated from ThreadLocalRandom, a fast but non-cryptographic pseudorandom number generator. RFC 7616 section 3.3 requires the cnonce to be unpredictable, since it is part of what protects the Digest exchange against chosen-plaintext...

CVE-2026-107283

The AsyncHttpClient (AHC) library for Java applications is vulnerable to reduced authentication security due to the use of a non-cryptographic random source. In versions prior to 3.0.12 and 2.16.1 , the Realm.Builder component generates the HTTP Digest client nonce using ThreadLocalRandom instead...

CVE-2026-107283 AsyncHttpClient: Digest authentication cnonce generated with a non-cryptographic random source

The AsyncHttpClient AHC library allows Java applications to easily execute HTTP requests and asynchronously process HTTP responses. Prior to 3.0.12 and 2.16.1, Realm.Builder generates the HTTP Digest client nonce with ThreadLocalRandom rather than a cryptographically secure random source. Digest...

PT-2026-107712

Name of the Vulnerable Software and Affected Versions AsyncHttpClient versions prior to 3.0.12 AsyncHttpClient versions prior to 2.16.1 Description The Realm.Builder generates the HTTP Digest client nonce using ThreadLocalRandom instead of a cryptographically secure random source. Because HTTP...

CVE-2025-59390: Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)

Apache Druid’s Kerberos authenticator uses a weak fallback secret when the druid.auth.authenticator.kerberos.cookieSignatureSecret configuration is not explicitly set. In this case, the secret is generated using ThreadLocalRandom, which is not a crypto-graphically secure random number generator...

Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG) in Ratpack

Ratpack versions before 1.6.1 generate a session ID using a cryptographically weak PRNG in the JDK's ThreadLocalRandom. This means that if an attacker can determine a small window for the server start time and obtain a session ID value, they can theoretically determine the sequence of session IDs...

CVE-2019-11808

Ratpack versions before 1.6.1 generate a session ID using a cryptographically weak PRNG in the JDK's ThreadLocalRandom. This means that if an attacker can determine a small window for the server start time and obtain a session ID value, they can theoretically determine the sequence of session IDs...

Design/Logic Flaw

Ratpack versions before 1.6.1 generate a session ID using a cryptographically weak PRNG in the JDK's ThreadLocalRandom. This means that if an attacker can determine a small window for the server start time and obtain a session ID value, they can theoretically determine the sequence of session IDs...

CVE-2019-11808

Ratpack versions before 1.6.1 generate a session ID using a cryptographically weak PRNG in the JDK's ThreadLocalRandom. This means that if an attacker can determine a small window for the server start time and obtain a session ID value, they can theoretically determine the sequence of session IDs...

CVE-2019-11808

Ratpack versions before 1.6.1 generate a session ID using a cryptographically weak PRNG in the JDK's ThreadLocalRandom. This means that if an attacker can determine a small window for the server start time and obtain a session ID value, they can theoretically determine the sequence of session IDs...

CVE-2019-11808: Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)

Ratpack versions before 1.6.1 generate a session ID using a cryptographically weak PRNG in the JDK's ThreadLocalRandom. This means that if an attacker can determine a small window for the server start time and obtain a session ID value, they can theoretically determine the sequence of session IDs...