CVE-2026-64655 GitHub CLI: Attestation Verification Bypass via Unescaped Regex Metacharacters in SAN Matching

GitHub CLI gh is GitHub’s official command line tool. Prior to 2.97.0, gh attestation verify builds the certificate Subject Alternative Name matcher from the --signer-repo and --signer-workflow flag values without escaping regex metacharacters, so a user-supplied repository or workflow name is...

EUVD-2026-47644

Traefik: Authentication Bypass via Path Traversal in ReplacePathRegex Middleware...

Traefik: Kubernetes Ingress NGINX RewriteTarget Path Traversal Allows Route-Level Authentication Bypass

Summary There is a high severity vulnerability in Traefik's Kubernetes Ingress NGINX provider. When an Ingress uses the nginx.ingress.kubernetes.io/rewrite-target annotation with a regular expression that captures attacker-controlled text without requiring a path separator for example path /api...

SUSE CVE-2026-71287

Cacti's sanitizesqlcolumn lib/functions.php sanitizes user-supplied ORDER BY column names using the regex . Because this allowlist retains letters, digits, underscore, parentheses, and dot intended to support expressions like COUNTid and table.column, a payload such as passes through completely...

CVE-2026-68749 Quadratic regex backtracking in the html_sanitize_ex CSS scrubber allows CPU-exhaustion denial of service

Inefficient Regular Expression Complexity vulnerability in the CSS scrubber in rrrene htmlsanitizeex allows an unauthenticated remote attacker to exhaust server CPU via a long CSS declaration in sanitized HTML. The declaration regex in HtmlSanitizeEx.Scrubber.CSS.scrub/1 matches the property name...

CVE-2026-68749

The vulnerability CVE-2026-68749 affects the html_sanitize_ex Ruby gem (versions before 1.5.3; affected range includes 0.3.1–1.5.2). It stems from an inefficient greedy regex in HtmlSanitizeEx.Scrubber.CSS.scrub/1 that backtracks on long CSS declarations, causing quadratic CPU consumption and pot...

CVE-2026-68749 Quadratic regex backtracking in the html_sanitize_ex CSS scrubber allows CPU-exhaustion denial of service

Inefficient Regular Expression Complexity vulnerability in the CSS scrubber in rrrene htmlsanitizeex allows an unauthenticated remote attacker to exhaust server CPU via a long CSS declaration in sanitized HTML. The declaration regex in HtmlSanitizeEx.Scrubber.CSS.scrub/1 matches the property name...

CVE-2026-68749 Quadratic regex backtracking in the html_sanitize_ex CSS scrubber allows CPU-exhaustion denial of service

Inefficient Regular Expression Complexity vulnerability in the CSS scrubber in rrrene htmlsanitizeex allows an unauthenticated remote attacker to exhaust server CPU via a long CSS declaration in sanitized HTML. The declaration regex in HtmlSanitizeEx.Scrubber.CSS.scrub/1 matches the property name...

CVE-2026-68749

Inefficient Regular Expression Complexity vulnerability in the CSS scrubber in rrrene htmlsanitizeex allows an unauthenticated remote attacker to exhaust server CPU via a long CSS declaration in sanitized HTML. The declaration regex in HtmlSanitizeEx.Scrubber.CSS.scrub/1 matches the property name...

EEF-CVE-2026-68749 Quadratic regex backtracking in the html_sanitize_ex CSS scrubber allows CPU-exhaustion denial of service

Summary Inefficient Regular Expression Complexity vulnerability in the CSS scrubber in rrrene htmlsanitizeex allows an unauthenticated remote attacker to exhaust server CPU via a long CSS declaration in sanitized HTML. The declaration regex in HtmlSanitizeEx.Scrubber.CSS.scrub/1 matches the...

EUVD-2026-54084

Inefficient Regular Expression Complexity vulnerability in the CSS scrubber in rrrene htmlsanitizeex allows an unauthenticated remote attacker to exhaust server CPU via a long CSS declaration in sanitized HTML. The declaration regex in HtmlSanitizeEx.Scrubber.CSS.scrub/1 matches the property name...

CVE-2026-71190

A flaw was found in OpenStack Swift's proxy server. The Accept header parser uses a regular expression that is vulnerable to catastrophic backtracking. An unauthenticated attacker can send a crafted Accept header with a small number of backslash characters in an unterminated quoted string, causin...

openSUSE 16 Security Update : nginx (openSUSE-SU-2026:21524-1)

The remote openSUSE 16 host has packages installed that are affected by a vulnerability as referenced in the openSUSE- SU-2026:21524-1 advisory. This update for nginx fixes the following issue - CVE-2026-42533: map directive and regex matching vulnerability bsc1271514. Tenable has extracted the...

EulerOS 2.0 SP13 : perl (EulerOS-SA-2026-2985)

According to the versions of the perl packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : Perl versions through 5.43.10 have a heap buffer overflow when compiling regular expressions with a repeated fixed string on 32-bit builds...

EulerOS 2.0 SP13 : perl (EulerOS-SA-2026-3035)

According to the versions of the perl packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : Perl versions through 5.43.10 have a heap buffer overflow when compiling regular expressions with a repeated fixed string on 32-bit builds...

PT-2026-68625

Name of the Vulnerable Software and Affected Versions html sanitize ex versions 0.3.1 through 1.5.3 Description An injection flaw exists in the CSS scrubber of the software, allowing an unauthenticated remote attacker to inject CSS at-rules, such as importing remote stylesheets, into pages served...

PT-2026-68766

Name of the Vulnerable Software and Affected Versions GitHub CLI gh versions prior to 2.97.0 Description The gh attestation verify command fails to escape regex metacharacters when building the certificate Subject Alternative Name matcher from the --signer-repo and --signer-workflow flag values...

CVE-2026-67422: Inefficient Regular Expression Complexity

pymdown-extensions is a collection of extensions for the Python Markdown library. In versions up to and including 11.0, four inline processors caret, tilde, betterem, and magiclink use regular expressions whose content groups can partition a run of delimiter characters in exponentially many ways,...

Exploit for CVE-2026-42533

CVE-2026-42533 Pre-auth heap buffer overflow and heap informa...

CVE-2026-49331

A flaw was found in openshift/oauth-proxy. On paths configured to bypass authentication skip-auth-regex, the proxy forwards client-supplied identity headers X-Forwarded-User, X-Forwarded-Email, X-Forwarded-Access-Token to the upstream application without stripping them. An unauthenticated attacke...