EUVD-2026-62558

Wazuh is a free and open source platform used for threat prevention, detection, and response. From 4.0.0 until 4.14.6 and 5.0.0-beta2, AuthenticationManager.checkuser in framework/wazuh/rbac/orm.py performs checkpasswordhash only when the supplied username exists. A nonexistent username returns...

CVE-2026-44255

Wazuh (open-source threat prevention, detection, and response platform) is vulnerable to username enumeration via a timing side-channel in AuthenticationManager.check_user() within framework/wazuh/rbac/orm.py. The function performs an expensive bcrypt hash check only when the supplied username ex...

CVE-2026-75589

Net::OAuth versions before 0.33 for Perl check HMAC-SHA1, HMAC-SHA256 and PLAINTEXT signatures with a non-constant-time comparison in verify. Each of the three compares the signature carried in the message against the locally computed one with the eq operator, which returns as soon as the two...

CVE-2026-75589

Net::OAuth versions before 0.33 for Perl check HMAC-SHA1, HMAC-SHA256 and PLAINTEXT signatures with a non-constant-time comparison in verify. Each of the three compares the signature carried in the message against the locally computed one with the eq operator, which returns as soon as the two...

UBUNTU-CVE-2026-75589

Net::OAuth versions before 0.33 for Perl check HMAC-SHA1, HMAC-SHA256 and PLAINTEXT signatures with a non-constant-time comparison in verify. Each of the three compares the signature carried in the message against the locally computed one with the eq operator, which returns as soon as the two...

CVE-2026-75589 Net::OAuth versions before 0.33 for Perl check HMAC-SHA1, HMAC-SHA256 and PLAINTEXT signatures with a non-constant-time comparison in verify

Net::OAuth versions before 0.33 for Perl check HMAC-SHA1, HMAC-SHA256 and PLAINTEXT signatures with a non-constant-time comparison in verify. Each of the three compares the signature carried in the message against the locally computed one with the eq operator, which returns as soon as the two...

CVE-2026-75589 Net::OAuth versions before 0.33 for Perl check HMAC-SHA1, HMAC-SHA256 and PLAINTEXT signatures with a non-constant-time comparison in verify

Net::OAuth versions before 0.33 for Perl check HMAC-SHA1, HMAC-SHA256 and PLAINTEXT signatures with a non-constant-time comparison in verify. Each of the three compares the signature carried in the message against the locally computed one with the eq operator, which returns as soon as the two...

CVE-2026-75589

The Net::OAuth Perl module (versions before 0.33 ) is vulnerable to a timing attack during signature verification for HMAC-SHA1 , HMAC-SHA256 , and PLAINTEXT methods. The vulnerability stems from using a non-constant-time comparison (the eq operator) in the verify function, where the time taken t...

EUVD-2026-62350

Net::OAuth versions before 0.33 for Perl check HMAC-SHA1, HMAC-SHA256 and PLAINTEXT signatures with a non-constant-time comparison in verify. Each of the three compares the signature carried in the message against the locally computed one with the eq operator, which returns as soon as the two...

CVE-2026-75589 Net::OAuth versions before 0.33 for Perl check HMAC-SHA1, HMAC-SHA256 and PLAINTEXT signatures with a non-constant-time comparison in verify

Net::OAuth versions before 0.33 for Perl check HMAC-SHA1, HMAC-SHA256 and PLAINTEXT signatures with a non-constant-time comparison in verify. Each of the three compares the signature carried in the message against the locally computed one with the eq operator, which returns as soon as the two...

CVE-2026-75589

Net::OAuth versions before 0.33 for Perl check HMAC-SHA1, HMAC-SHA256 and PLAINTEXT signatures with a non-constant-time comparison in verify. Each of the three compares the signature carried in the message against the locally computed one with the eq operator, which returns as soon as the two...

pam security update

An update is available for pam. This update affects Rocky Linux 8. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list Pluggable Authentication Modules PAM provide a system to set up authentication...

RLSA-2026:56131 Moderate: pam security update

Pluggable Authentication Modules PAM provide a system to set up authentication policies without the need to recompile programs to handle authentication. Security Fixes: linux-pam: Plaintext password recovery via timing discrepancy in pamuserdb module CVE-2026-54411 For more details about the...

PT-2026-78507

Name of the Vulnerable Software and Affected Versions Wazuh versions 4.0.0 through 4.14.5 Wazuh versions 5.0.0-beta1 and earlier Description The check user function within AuthenticationManager in framework/wazuh/rbac/orm.py only executes check password hash if the provided username exists. Becau...

CVE-2026-75589: Observable Timing Discrepancy

Net::OAuth versions before 0.33 for Perl check HMAC-SHA1, HMAC-SHA256 and PLAINTEXT signatures with a non-constant-time comparison in verify. Each of the three compares the signature carried in the message against the locally computed one with the eq operator, which returns as soon as the two...

CVE-2026-44255: Observable Timing Discrepancy

Wazuh is a free and open source platform used for threat prevention, detection, and response. From 4.0.0 until 4.14.6 and 5.0.0-beta2, AuthenticationManager.checkuser in framework/wazuh/rbac/orm.py performs checkpasswordhash only when the supplied username exists. A nonexistent username returns...

AlmaLinux 8 : pam (ALSA-2026:56131)

The remote AlmaLinux 8 host has packages installed that are affected by a vulnerability as referenced in the ALSA-2026:56131 advisory. linux-pam: Plaintext password recovery via timing discrepancy in pamuserdb module CVE-2026-54411 Tenable has extracted the preceding description block directly fr...

Oracle Linux 8 : pam (ELSA-2026-56131)

The remote Oracle Linux 8 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2026-56131 advisory. 1.3.1-40.0.1 - pamlimits: fix use after free in pamsmopensession Orabug: 36272695 1.3.1-40 - pamuserdb: fix password comparison timing leak. Resolves:...

PT-2026-78315

Name of the Vulnerable Software and Affected Versions Net::OAuth versions prior to 0.33 Description The software performs signature verification for HMAC-SHA1, HMAC-SHA256, and PLAINTEXT using a non-constant-time comparison in the verify function. Specifically, the eq operator is used to compare...

MiracleLinux 8 : pam-1.3.1-40.el8_10 (AXSA:2026-1577:02)

The remote MiracleLinux 8 host has packages installed that are affected by a vulnerability as referenced in the AXSA:2026-1577:02 advisory. linux-pam: Plaintext password recovery via timing discrepancy in pamuserdb module CVE-2026-54411 Tenable has extracted the preceding description block direct...