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-2026-71190

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...

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,...

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...

PT-2026-68947

Description WrappedRE2::Replace builds the replacement result and hands it to V8 with .ToLocalChecked without checking for the empty MaybeLocal that V8 returns when the string/buffer exceeds its maximum length: lib/replace.cc v1.24.1: cpp // L553 — Buffer return path...

PT-2026-68800

Description WrappedRE2::Replace builds the replacement result and hands it to V8 with .ToLocalChecked without checking for the empty MaybeLocal that V8 returns when the string/buffer exceeds its maximum length: lib/replace.cc v1.24.1: cpp // L553 — Buffer return path...

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...

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...

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-2026-3035)

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...

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...

DEBIAN-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-2026-71209 audiobookshelf - %2F Encoding Discrepancy Bypasses Cover/Image Auth Exemption Regex, Enabling Unauthenticated Path Traversal

audiobookshelf's authentication-exemption check server/routers/Auth.js matches unauthenticated-allowed GET routes against req.path via a regex requiring a literal /items/:id/cover or /authors/:id/image shape, where req.path retains %2F sequences URL-encoded. CacheManager.handleCoverCache then joi...

CVE-2026-71209

Audiobookshelf CVE-2026-71209 describes an authentication-exemption bypass in server/routers/Auth.js. The regex checks unauthenticated GET routes against req.path, but because req.path can contain URL-encoded %2F sequences, an encoded directory traversal like ..%2f..%2f..%2ftmp%2fpwned escapes th...

CVE-2026-71190

In OpenStack Swift through 2.38.0, the proxy server Accept header parser contains a regular expression vulnerable to catastrophic backtracking ReDoS. The "qdtext" pattern ?:^"|\. allows an unauthenticated remote attacker to send a crafted Accept header that causes exponential CPU consumption in...

PT-2026-68098

Name of the Vulnerable Software and Affected Versions MacCMS10 affected versions not specified Description The admin template editor in application/admin/controller/Template.php uses a blacklist regex to block dangerous PHP functions in template content. However, the blacklist fails to include...

PT-2026-68189

Name of the Vulnerable Software and Affected Versions openshift/oauth-proxy affected versions not specified Description A flaw exists where the proxy fails to strip client-supplied identity headers on paths configured to bypass authentication via the skip-auth-regex setting. This allows an...

SUSE SLES15 Security Update : nginx (SUSE-SU-2026:3469-1)

The remote SUSE Linux SLES15 / SLESSAP15 host has packages installed that are affected by a vulnerability as referenced in the SUSE-SU-2026:3469-1 advisory. This update for nginx fixes the following issue: - CVE-2026-42533: referencing regex capture variables before map output variables can trigg...