TYPO3-CORE-SA-2026-020: TYPO3 CMS - Unrestricted File Upload in Form Framework

More info at https://news.typo3.com/security/advisory/typo3-core-sa-2026-020...

Server-side request forgery (SSRF) via unvalidated RSS feed URLs

More info at https://contao.org/en/security-advisories/server-side-request-forgery-via-unvalidated-rss-feed-urls...

Server-side request forgery (SSRF) via unvalidated RSS feed URLs

More info at https://contao.org/en/security-advisories/server-side-request-forgery-via-unvalidated-rss-feed-urls...

CVE-2026-54718 - Remote code execution via advanced workflow email template

More info at https://www.silverstripe.org/download/security-releases/cve-2026-54718...

CVE-2026-54721 - Remote code execution via userforms email subject

More info at https://www.silverstripe.org/download/security-releases/cve-2026-54721...

CVE-2026-55779 - XSS in archive admin restore

More info at https://www.silverstripe.org/download/security-releases/cve-2026-55779...

CVE-2026-54720 - XSS attack through media embed

More info at https://www.silverstripe.org/download/security-releases/cve-2026-54720...

CVE-2026-54717 - XSS in breadcrumbs in page list view

More info at https://www.silverstripe.org/download/security-releases/cve-2026-54717...

symfony/ux-toolkit Path Traversal allows arbitrary file write and read via crafted recipe manifest

Description The ux:install console command installs files from a recipe kit by copying paths listed in a copy-files map. The only guard against malicious paths was Path::isRelative, which returns true for paths like ../../../etc. Path::join then resolves the .. segments without complaint, so the...

symfony/ux-icons XSS via unsanitized SVG content in local files and Iconify on-demand responses

Description The uxicon Twig function is marked issafe='html', so Twig never escapes its output. Icon::toHtml inlines the SVG source verbatim into the page. Browsers execute elements and on event-handler attributes found inside inline SVG, making any unsanitized icon a vector for cross-site...

Dot-only cookie domains match all hosts

Impact CookieJar incorrectly accepts cookies with a dot-only Domain attribute, such as Domain=., Domain=.., Domain=..., and whitespace-padded variants such as Domain= . . In affected versions, SetCookie::matchesDomain removes leading dots from the cookie domain, normalizing dot-only values to the...

Silent HTTPS proxy downgrade to cleartext

Impact The built-in cURL handlers GuzzleHttp\Handler\CurlHandler and GuzzleHttp\Handler\CurlMultiHandler, used by default whenever the PHP cURL extension is available accept an https:// proxy — a proxy reached over a TLS-encrypted connection — through the proxy request option, client-level proxy...

CRLF injection in HTTP start-line serialization

Impact guzzlehttp/psr7 did not reject CR/LF characters in certain first-party HTTP start-line fields: the request method, protocol version, and response reason phrase. If an application placed attacker-controlled data into one of those fields and later serialized the PSR-7 message as raw HTTP/1.x...

Path traversal in the jobs module

More info at https://contao.org/en/security-advisories/path-traversal-in-the-jobs-module...

Credentials disclosure in the crawler

More info at https://contao.org/en/security-advisories/credentials-disclosure-in-the-crawler...

Path traversal in the jobs module

More info at https://contao.org/en/security-advisories/path-traversal-in-the-jobs-module...

Credentials disclosure in the crawler

More info at https://contao.org/en/security-advisories/credentials-disclosure-in-the-crawler...

CompilerRuntime code injection via unescaped function names

More info at https://github.com/jmespath/jmespath.php/security/advisories/GHSA-pcw8-m77r-2528...

TYPO3-CORE-SA-2026-019: Broken Access Control in Form Framework

More info at https://typo3.org/security/advisory/typo3-core-sa-2026-019...

TYPO3-CORE-SA-2026-018: Insecure Deserialization in Core API

More info at https://typo3.org/security/advisory/typo3-core-sa-2026-018...

TYPO3-CORE-SA-2026-017: Privilege Escalation & SQL Injection in Form Framework

More info at https://typo3.org/security/advisory/typo3-core-sa-2026-017...

TYPO3-CORE-SA-2026-016: Broken Access Control in File Abstraction Layer

More info at https://typo3.org/security/advisory/typo3-core-sa-2026-016...

TYPO3-CORE-SA-2026-015: Broken Access Control in Backend API

More info at https://typo3.org/security/advisory/typo3-core-sa-2026-015...

TYPO3-CORE-SA-2026-014: Broken Access Control in Clipboard

More info at https://typo3.org/security/advisory/typo3-core-sa-2026-014...

TYPO3-CORE-SA-2026-013: Broken Access Control in Media Module

More info at https://typo3.org/security/advisory/typo3-core-sa-2026-013...

TYPO3-CORE-SA-2026-012: Broken Access Control in DataHandler

More info at https://typo3.org/security/advisory/typo3-core-sa-2026-012...

TYPO3-CORE-SA-2026-011: Broken Access Control in Recycler

More info at https://typo3.org/security/advisory/typo3-core-sa-2026-011...

TYPO3-CORE-SA-2026-010: Cross-Site Scripting in Indexed Search

More info at https://typo3.org/security/advisory/typo3-core-sa-2026-010...

TYPO3-CORE-SA-2026-009: Open Redirect in TYPO3 CMS

More info at https://typo3.org/security/advisory/typo3-core-sa-2026-009...

TYPO3-CORE-SA-2026-008: Broken Access Control in Form Framework

More info at https://typo3.org/security/advisory/typo3-core-sa-2026-008...

TYPO3-CORE-SA-2026-007: Broken Access Control in File Abstraction Layer

More info at https://typo3.org/security/advisory/typo3-core-sa-2026-007...

TYPO3-CORE-SA-2026-006: TYPO3 HTML Sanitizer allows Cross-Site Scripting

More info at https://typo3.org/security/advisory/typo3-core-sa-2026-006...

TYPO3-CORE-SA-2026-006: TYPO3 HTML Sanitizer allows Cross-Site Scripting

More info at https://typo3.org/security/advisory/typo3-core-sa-2026-006...

JWSVerifier uses algorithm from unprotected header, enabling algorithm confusion attacks

Summary JWSVerifier::getAlgorithm in src/Library/Signature/JWSVerifier.php line 144 merges protected and unprotected headers using PHP's spread operator: php $completeHeader = ...$signature-getProtectedHeader, ...$signature-getHeader; In PHP, when spreading arrays with duplicate string keys, the...

JWSVerifier uses algorithm from unprotected header, enabling algorithm confusion attacks

Summary JWSVerifier::getAlgorithm in src/Library/Signature/JWSVerifier.php line 144 merges protected and unprotected headers using PHP's spread operator: php $completeHeader = ...$signature-getProtectedHeader, ...$signature-getHeader; In PHP, when spreading arrays with duplicate string keys, the...

RSA1_5 (RSAES-PKCS1-v1_5) decryption lacks implicit rejection, exposing a Bleichenbacher/Marvin padding oracle

Impact RSACrypt::decryptWithRSA15 used by the RSA15 key-encryption algorithm implements RSAES-PKCS1-v15 decryption by inspecting the padding after RSADP and throwing InvalidArgumentException as soon as the padding is malformed. It does not implement the implicit-rejection countermeasure required ...

RSA1_5 (RSAES-PKCS1-v1_5) decryption lacks implicit rejection, exposing a Bleichenbacher/Marvin padding oracle

Impact RSACrypt::decryptWithRSA15 used by the RSA15 key-encryption algorithm implements RSAES-PKCS1-v15 decryption by inspecting the padding after RSADP and throwing InvalidArgumentException as soon as the padding is malformed. It does not implement the implicit-rejection countermeasure required ...

Chacha20Poly1305 key-encryption algorithm discards the Poly1305 authentication tag, performing no authentication on decryption

Impact The experimental Chacha20Poly1305 key-encryption algorithm generates the 16-byte Poly1305 authentication tag during encryptKey but discards it: the tag is never written to the header and therefore never reaches the wire. On the receiving side, decryptKey calls...

Chacha20Poly1305 key-encryption algorithm discards the Poly1305 authentication tag, performing no authentication on decryption

Impact The experimental Chacha20Poly1305 key-encryption algorithm generates the 16-byte Poly1305 authentication tag during encryptKey but discards it: the tag is never written to the header and therefore never reaches the wire. On the receiving side, decryptKey calls...

PBES2-HS*+A*KW unwrap accepts an unbounded p2c iteration count, enabling CPU-amplification denial of service

Impact When a JWE uses a password-based key-encryption algorithm PBES2-HS256+A128KW, PBES2-HS384+A192KW, PBES2-HS512+A256KW, PBES2AESKW::unwrapKey reads the p2c PBKDF2 iteration count parameter directly from the attacker-controlled JOSE header and passes it to hashpbkdf2 with no upper bound. The...

PBES2-HS*+A*KW unwrap accepts an unbounded p2c iteration count, enabling CPU-amplification denial of service

Impact When a JWE uses a password-based key-encryption algorithm PBES2-HS256+A128KW, PBES2-HS384+A192KW, PBES2-HS512+A256KW, PBES2AESKW::unwrapKey reads the p2c PBKDF2 iteration count parameter directly from the attacker-controlled JOSE header and passes it to hashpbkdf2 with no upper bound. The...

Stored Cross-Site Scripting (XSS) via uploaded files served inline in FileField and ImageField

EasyAdmin's FileField and ImageField accept browser-executable file types by default FileField applies no MIME/extension restrictions; ImageField's default Image constraint accepts SVG. When the upload directory is configured inside the public web root — as shown in the documentation — EasyAdmin...

XML injection via CDATA terminator in XML request serialization

Impact guzzlehttp/guzzle-services does not safely serialize scalar XML element values containing the CDATA terminator . The XML request serializer writes values containing , or & with XMLWriter::writeCData$value. If attacker-controlled input contains , the CDATA section closes early and the...

Mass-assignment in Factory::loadFromProvisioningUri lets a hostile provisioning URI corrupt OTP state or leak an uncaught TypeError

Summary OTPHP\Factory::loadFromProvisioningUri parses an attacker-supplied otpauth:// URI and forwards every query key to OTP::setParameter$key, $value. setParameter resolves the name with propertyexists$this, $parameter and performs a dynamic write $this-$parameter = $value src/OTP.php:196-197...

Unbounded digits parameter in a provisioning URI triggers an uncaught DivisionByZeroError in OTP generation

Summary The digits parameter parsed from a provisioning URI is validated only with a lower bound $value 0 and has no upper bound src/OTP.php:353-357. OTP generation computes $code % 10 $this-getDigits src/OTP.php:283. When digits is large enough that 10 digits overflows PHP's integer range and th...

symfony/ux-live-component Format-less date LiveProps parsed with the permissive DateTime constructor

Description When a LiveProp is typed as a DateTimeInterface and no explicit format is configured, Symfony\UX\LiveComponent\LiveComponentHydrator::hydrateObjectValue falls back to new $className$value. The DateTime / DateTimeImmutable constructors accept relative strings such as "now", "tomorrow",...

symfony/ux-live-component XSS via attacker-controlled child component tag

Description Symfony\UX\LiveComponent\Util\ChildComponentPartialRenderer::createHtml interpolates the $childTag argument directly into the HTML output as a tag name, without escaping or validation. The value originates from client-controlled JSON childrenid.tag parsed by LiveComponentSubscriber an...

symfony/ux-autocomplete Information exposure via unescaped LIKE wildcards in EntitySearchUtil

Description Symfony\UX\Autocomplete\Doctrine\EntitySearchUtil::addSearchClause builds the LIKE expression used by the autocomplete endpoint by wrapping the client-supplied query in %...% without escaping the SQL LIKE wildcards %, , . The value is passed as a bound parameter, so this is not SQL...

symfony/ux-live-component LiveComponentHydrator HMAC checksum lacks component and slot binding

Description In symfony/ux-live-component, a component's server-side state is exposed to the browser as a set of props LiveProp-annotated properties. Props marked writable: true can be freely changed by the client. Read-only props are round-tripped to the browser and back, and their integrity is...

symfony/ux-live-component Denial of service via unbounded batch action requests

Description Symfony\UX\LiveComponent\Controller\BatchActionController::invoke iterates over the client-supplied actions array and issues a full HttpKernel sub-request for each entry event subscribers, validators, Doctrine, rendering. The array size is never bounded, so an authenticated client can...