CVE-2026-13577 Dancer2 versions through 2.1.0 for Perl generate insecure session ids when required CSPRNG modules are unavailable

Dancer2 versions through 2.1.0 for Perl generate insecure session ids when required CSPRNG modules are unavailable. Dancer2::Core::Role::SessionFactory::generateid silently falls back to a built-in rand-derived session id unless both Math::Random::ISAAC::XS and Crypt::URandom are available. The...

CVE-2026-13577

Dancer2 versions through 2.1.0 for Perl generate insecure session ids when required CSPRNG modules are unavailable. Dancer2::Core::Role::SessionFactory::generateid silently falls back to a built-in rand-derived session id unless both Math::Random::ISAAC::XS and Crypt::URandom are available. The...

CVE-2026-16235 Crypt::Password versions through 0.28 for Perl generate insecure random values for salts

Crypt::Password versions through 0.28 for Perl generate insecure random values for salts. These versions use the built-in rand function, which is predictable and unsuitable for cryptography...

CVE-2026-16235

CVE-2026-16235 affects Crypt::Password for Perl up to version 0.28. The root cause is generation of insecure random values for salts by using the built-in rand function, which is predictable and unsuitable for cryptography. This leads to high-severity impact (confidentiality, integrity, availabil...

CVE-2026-16235

Crypt::Password versions through 0.28 for Perl generate insecure random values for salts. These versions use the built-in rand function, which is predictable and unsuitable for cryptography...

Linux Distros Unpatched Vulnerability : CVE-2026-13577

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Dancer2 versions through 2.1.0 for Perl generate insecure session ids when required CSPRNG modules are unavailable...

EUVD-2026-45381

The urwid web display backend urwid/display/web.py generates web session identifiers urwidid in Screen.start by concatenating two random.randrange109 calls that use Python's Mersenne Twister PRNG, which is not cryptographically secure. Each call consumes approximately 30 bits of PRNG state, and t...

CVE-2026-13082

GD::SecurityImage versions through 1.75 for Perl use rand to generate secrets. The random method creates the challenge text used for the CAPTCHA by sampling characters from an array using Perl's built-in rand function, and generates a by default six-character string. The built-in rand function is...

UBUNTU-CVE-2026-13082

GD::SecurityImage versions through 1.75 for Perl use rand to generate secrets. The random method creates the challenge text used for the CAPTCHA by sampling characters from an array using Perl's built-in rand function, and generates a by default six-character string. The built-in rand function is...

CVE-2026-13082 GD::SecurityImage versions through 1.75 for Perl use rand to generate secrets

GD::SecurityImage versions through 1.75 for Perl use rand to generate secrets. The random method creates the challenge text used for the CAPTCHA by sampling characters from an array using Perl's built-in rand function, and generates a by default six-character string. The built-in rand function is...

CVE-2026-13082

GD::SecurityImage versions through 1.75 for Perl use rand to generate secrets. The random method creates the challenge text used for the CAPTCHA by sampling characters from an array using Perl's built-in rand function, and generates a by default six-character string. The built-in rand function is...

CVE-2026-13082 GD::SecurityImage versions through 1.75 for Perl use rand to generate secrets

GD::SecurityImage versions through 1.75 for Perl use rand to generate secrets. The random method creates the challenge text used for the CAPTCHA by sampling characters from an array using Perl's built-in rand function, and generates a by default six-character string. The built-in rand function is...

CVE-2026-13082

CVE-2026-13082 affects GD::SecurityImage for Perl (versions through 1.75). The vulnerability arises because the CAPTCHA secret text is generated by sampling from a character set using Perl’s built-in rand, which is not suitable for security applications due to predictability and reversibility. Im...

CVE-2026-46351

BigBlueButton is an open-source virtual classroom. Prior to 3.0.21, bbb-web generated conference sessionToken values with insufficiently secure randomness in bbb-common-web/src/main/java/org/bigbluebutton/api/Util.java and...

CVE-2026-46351 BigBlueButton: Insecure Randomness allows to guess user's conference session token and impersonate them

BigBlueButton is an open-source virtual classroom. Prior to 3.0.21, bbb-web generated conference sessionToken values with insufficiently secure randomness in bbb-common-web/src/main/java/org/bigbluebutton/api/Util.java and...

CVE-2026-46351

BigBlueButton (open-source virtual classroom) prior to 3.0.21 used insufficiently secure randomness to generate conference sessionToken values in bbb-common-web/src/main/java/org/bigbluebutton/api/Util.java and bigbluebutton-web/grails-app/controllers/org/bigbluebutton/web/controllers/ApiControll...

CVE-2026-46351 BigBlueButton: Insecure Randomness allows to guess user's conference session token and impersonate them

BigBlueButton is an open-source virtual classroom. Prior to 3.0.21, bbb-web generated conference sessionToken values with insufficiently secure randomness in bbb-common-web/src/main/java/org/bigbluebutton/api/Util.java and...

JLSEC-2026-689 In the OpenSSL compatibility layer implementation, the function `RAND_poll()` was not behaving as...

In the OpenSSL compatibility layer implementation, the function RANDpoll was not behaving as expected and leading to the potential for predictable values returned from RANDbytes after fork is called. This can lead to weak or predictable random numbers generated in applications that are both using...

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

Overview hfs is a HTTP File Server Affected versions of this package are vulnerable to Use of Cryptographically Weak Pseudo-Random Number Generator PRNG via predictable randomness in the authentication/session handling code in src/index.ts and src/api.auth.ts. An attacker can forge an administrat...

CVE-2026-61500 Rejetto HFS < 3.2.1 Session Forgery via Predictable Signing Key

Rejetto HFS 3.0.0 through 3.2.0 derives its session-cookie signing key from the non-cryptographic Math.random generator and discloses outputs of the same generator to unauthenticated clients during login. A remote attacker can collect a small number of login responses, reconstruct the generator's...