Date Index - August 2026 - CPANSec CVE announcements

01 Aug 2026 10:38 UTC CVE-2026-18536: Data::Entropy versions before 0.010 for Perl read remote entropy sources over plain HTTP Robert Rothenberg
03 Aug 2026 12:44 UTC CVE-2026-18089: Net::SAML2 versions before 0.86 for Perl allow SAML authentication bypass by verifying responses against the response-embedded certificate in verify_xml when no trust anchor is configured Timothy Legge
03 Aug 2026 13:05 UTC CVE-2026-18108: Net::SAML2 versions before 0.86 for Perl allow authentication bypass because _verify_encrypted_assertion accepts an EncryptedAssertion whose decrypted content carries no signature Timothy Legge
03 Aug 2026 13:11 UTC CVE-2026-9390: XML::Sig versions before 0.71 for Perl allow XPath injection in ID lookup Timothy Legge
03 Aug 2026 13:26 UTC CVE-2026-18092: Net::SAML2 versions before 0.86 for Perl allow SAML authentication bypass via XML signature wrapping because new_from_xml reads assertion identity with document-wide XPath instead of the signed subtree Timothy Legge
03 Aug 2026 13:42 UTC CVE-2026-9487: XML::Sig versions before 0.71 for Perl allow signature wrapping via duplicate ID Timothy Legge
03 Aug 2026 14:40 UTC CVE-2026-18568: XML::Sig versions from 0.29 before 0.72 for Perl allow signature verification bypass because verify returns true when every signature was skipped before any cryptographic check Timothy Legge
04 Aug 2026 20:50 UTC CVE-2026-66901: Google::Auth versions before 0.09 for Perl allow server side request forgery and credential exfiltration via unvalidated URLs taken from the credentials JSON Robert Rothenberg
04 Aug 2026 20:52 UTC CVE-2026-66902: Google::Auth versions before 0.06 for Perl run a command named in an external_account credentials JSON via an ungated system call Robert Rothenberg
07 Aug 2026 17:59 UTC CVE-2026-19082: Imager versions from 0.45_02 before 1.034 for Perl may expose adjacent heap bytes via strlen() over-read from zero-count ASCII EXIF entries in copy_string_tags Stig Palmquist
07 Aug 2026 19:04 UTC CVE-2026-17435: File::Rotate::Simple versions before 0.4.0 for Perl create the target of dangling symlinks when rotating files Robert Rothenberg
09 Aug 2026 01:27 UTC CVE-2026-17510: Crypt::OpenSSL::PKCS12 versions before 1.98 for Perl allow a NULL pointer dereference in print_attribute via a zero length BMPSTRING attribute Timothy Legge
09 Aug 2026 17:52 UTC CVE-2026-15534: Perl versions through 5.45.1 have out-of-bounds heap reads and writes during regular expression matching via an undersized superlinear cache in S_regmatch Stig Palmquist
12 Aug 2026 08:41 UTC CVE-2026-19566: Net::CIDR::Set versions before 0.23 for Perl allow memory exhaustion and malformed set ranges via unbounded IPv6 prefix lengths Robert Rothenberg
12 Aug 2026 23:15 UTC CVE-2026-16770: PDF::WebKit versions through 1.2 for Perl allow argument injection into wkhtmltopdf via meta tags in the source document Robert Rothenberg
12 Aug 2026 23:18 UTC CVE-2026-17431: PDF::WebKit versions through 1.2 for Perl allow OS command injection via a 2-arg open() of the output path in to_pdf and of stylesheet paths in _style_tag_for Robert Rothenberg
13 Aug 2026 15:54 UTC CVE-2026-19487: Perl versions from 5.9.4 before 5.41.9 produce incorrect regular expression match results when a stale failure flag ends the Aho-Corasick prescan early in S_find_byclass Stig Palmquist
13 Aug 2026 16:30 UTC CVE-2022-4993: HTML::FormHandler versions through 0.40068 for Perl allow attacker selected method dispatch and resource exhaustion because _apply_actions and add_error use error message text built from request data as a Locale::Maketext bracket notation template Robert Rothenberg
13 Aug 2026 16:31 UTC CVE-2026-13048: Data::MuForm::Localizer versions through 0.05 for Perl execute Perl from a message catalog header, reached at an arbitrary path because load_lexicon interpolates the language attribute into the catalog filename Robert Rothenberg
13 Aug 2026 16:31 UTC CVE-2026-13051: Form::Processor::Field::HtmlArea versions from 0.06 through 1.162360 for Perl allow attacker selected method dispatch and resource exhaustion via an HTML::Tidy diagnostic that validate passes to add_error as a Locale::Maketext template Robert Rothenberg
15 Aug 2026 12:10 UTC CVE-2026-73193: DBI versions before 1.652 for Perl allow a heap out-of-bounds write on 32-bit perl via an integer wraparound in the output buffer size computed by preparse Robert Rothenberg
15 Aug 2026 12:11 UTC CVE-2026-73194: DBI versions before 1.652 for Perl allow a heap out-of-bounds write via an unvalidated numeric placeholder that sets the binder counter in preparse Robert Rothenberg
15 Aug 2026 13:27 UTC CVE-2026-15689: Dancer2::Plugin::Auth::Extensible versions through 0.713 for Perl allow password reset link poisoning via the request Host header in _default_email_password_reset and _default_welcome_send Timothy Legge
16 Aug 2026 13:24 UTC CVE-2026-19349: Lemonldap::NG::Portal versions from 2.0.0 before 2.16.9, from 2.17.0 before 2.21.5, from 2.22.0 before 2.23.3 for Perl allow authentication bypass via an OAuth2 state parameter stored as an SSO session in the GitHub and LinkedIn backends Timothy Legge
16 Aug 2026 13:51 UTC CVE-2026-72887: Net::OAuth::Client versions before 0.32 for Perl allow the service provider to silently downgrade OAuth 1.0a to OAuth 1.0 in get_request_token Robert Rothenberg
16 Aug 2026 13:52 UTC CVE-2026-72888: Net::OAuth versions before 0.32 for Perl allow memory exhaustion via unbounded caching of failed module loads in smart_require Robert Rothenberg
19 Aug 2026 07:23 UTC CVE-2026-72889: Net::OAuth versions before 0.33 for Perl allow the sender to choose the signature algorithm in verify Robert Rothenberg
19 Aug 2026 07:24 UTC 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 Robert Rothenberg
20 Aug 2026 00:43 UTC CVE-2026-75628: Punk::OAuth2 versions before 0.03 for Perl allow an attacker-chosen off-site redirect after login because same_origin_path accepts a backslash or tab in the return parameter Timothy Legge
20 Aug 2026 18:16 UTC CVE-2026-15743: Catalyst::Plugin::Static::Simple versions through 0.38 for Perl mark responses as publicly cacheable Robert Rothenberg
21 Aug 2026 23:59 UTC CVE-2026-77781: Tie::Hash::Regex versions before 2.0.0 for Perl will throw an exception on unparseable lookup keys Robert Rothenberg
22 Aug 2026 13:37 UTC CVE-2026-75870: Punk versions before 0.18 for Perl allow session cookie forgery via an empty default HMAC key when a session is declared without a secret Timothy Legge
22 Aug 2026 13:54 UTC CVE-2026-75866: Punk::OAuth2::Server versions through 0.03 for Perl issue access tokens outside a client's registered scopes and grant types because no authorization path reads them Timothy Legge
23 Aug 2026 18:21 UTC CVE-2026-75922: Reverse::Proxy versions before 0.04 for Perl allow HTTP request smuggling via a percent-decoded PATH_INFO written unencoded to the upstream request line Timothy Legge
23 Aug 2026 19:19 UTC CVE-2026-19565: Apache::AppSamurai::Util versions through 1.01 for Perl generate predictable session authentication keys from the clock and process id in CreateSessionAuthKey Robert Rothenberg
23 Aug 2026 19:55 UTC CVE-2026-78183: DBD::Pg version 3.21.0 for Perl has a heap out-of-bounds write in quote_float Robert Rothenberg
25 Aug 2026 21:22 UTC CVE-2026-78619: Punk::Plugin::TOTP versions before 0.05 for Perl accept another account's recovery code at the two-factor challenge because totp_use_recovery compares user identifiers numerically Timothy Legge
25 Aug 2026 21:25 UTC CVE-2026-78655: Punk::Plugin::TOTP versions before 0.05 for Perl allow the second-factor attempt limit to be reset by replaying an earlier session cookie because the challenge route counts failures in the session Timothy Legge
31 Aug 2026 10:08 UTC CVE-2026-19873: HTML::FormFu versions through 2.08 for Perl allow resource exhaustion via an unbounded repeat count from the query string in Repeatable elements Robert Rothenberg
31 Aug 2026 17:31 UTC CVE-2026-19953: URI versions before 5.36 for Perl encode non-NFC host names to non-standard punycode labels via missing normalization in nameprep Robert Rothenberg