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CVE-2026-87808

SiYuan before v3.8.2 Read-Only Boundary Bypass via fullTextSearchBlock

SiYuan versions <= 3.8.1 contain an incomplete fix for CVE-2026-32767 (GHSA-j7wh-x834-p3r7). The prior fix (commit d5e2d0bc) added an administrator check for SQL mode (method=2) in POST /api/search/fullTextSearchBlock, but the endpoint still does not enforce the application's read-only boundary: for method=2 it forwards caller-supplied SQL to the blocks database query path without calling model.CheckReadonly or CheckReadonlyStatementInBox. As a result, when a workspace runs in read-only mode (--readonly=true), an authenticated administrator can submit arbitrary SQL through /api/search/fullTextSearchBlock and obtain raw read access to the blocks database, even though the dedicated /api/query/sql endpoint is blocked in that mode. Fixed in v3.8.2.

CVSS 4.0 · 8.7 High EPSS < 1% KEV · Not listed
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CVE-2026-87812

SiYuan before v3.8.2 Stored XSS via Bazaar iconURL

SiYuan before v3.8.2 contains a stored cross-site scripting vulnerability in Bazaar package cards where the iconURL metadata is inserted directly into HTML img src attributes without escaping. Attackers can inject malicious URLs with event handlers that execute JavaScript in the authenticated SiYuan origin when users view Bazaar listings, enabling API requests and application state manipulation.

CVSS 4.0 · 7.4 High EPSS < 1% KEV · Not listed
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CVE-2026-87813

SiYuan before v3.8.2 Stored XSS via unescaped asset filenames

SiYuan before v3.8.2 contains a stored cross-site scripting vulnerability in the Search Assets result list where asset filenames are interpolated into HTML without escaping. Authenticated attackers can craft asset filenames containing malicious markup that executes JavaScript in the victim's browser when searching assets, enabling same-origin API requests and application state manipulation.

CVSS 4.0 · 8.4 High EPSS < 1% KEV · Not listed
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CVE-2026-47156

MantisBT: SOAP API Authentication Bypass with Privilege Escalation to Administrator

MantisBT is an open source bug tracker. Versions 2.28.3 and earlier contain a critical authentication bypass in the SOAP API's mci_check_login() function. Any user knowing any valid cookie_string can authenticate as any other user (knowing their username), including the administrator, without knowing the target's password. The vulnerability is exploitable with zero prior access on default MantisBT installations because self-registration is enabled by default ($g_allow_signup = ON). A self-registered user can use their own cookie_string (readable from their browser's MANTIS_STRING_COOKIE cookie after login) to impersonate the administrator via the SOAP API. The REST API is NOT affected. The REST API's AuthMiddleware derives the username server-side from the API token or session cookie, so the username cannot be spoofed. The Web UI is NOT affected. The Web UI authenticates via PHP session cookies (PHPSESSID) and validates the MANTIS_STRING_COOKIE against the logged-in user through auth_is_cookie_valid(). The username is derived server-side from the cookie, not supplied by the client. Version 2.28.4 contains a patch. No known workarounds are available.

CVSS 4.0 · 9.3 Critical EPSS < 1% KEV · Not listed
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CVE-2026-87933

DaveGamble cJSON cJSON_Utils.c cJSONUtils_MergePatch use after free

A vulnerability was found in DaveGamble cJSON up to 1.7.19. The affected element is the function cJSONUtils_MergePatch of the file cJSON_Utils.c. The manipulation results in use after free. The attack may be launched remotely. The exploit has been made public and could be used. The pull request to fix this issue awaits acceptance.

CVSS 4.0 · 6.9 Medium EPSS < 1% KEV · Not listed
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CVE-2026-87561

Incorrect authorization in Web Authentication in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to bypass web origin policy via a crafted Chrome extension. (Chromium security severity: Low)

CVSS 3.1 · 4.3 Medium EPSS < 1% KEV · Not listed
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CVE-2026-87543

Missing authorization in Core in Google Chrome prior to 153.0.8010.36 allowed a remote attacker who had compromised the renderer process to bypass site isolation via a crafted HTML page. (Chromium security severity: Low)

CVSS 3.1 · 4.3 Medium EPSS < 1% KEV · Not listed
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CVE-2026-87431

Missing authorization in Extensions in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to obtain sensitive information via a crafted Chrome extension. (Chromium security severity: Medium)

CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed
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CVE-2026-87429

Missing authorization in ServiceWorker in Google Chrome prior to 153.0.8010.36 allowed a remote attacker who had compromised the renderer process to bypass system access restrictions via a crafted HTML page. (Chromium security severity: Low)

CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed
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CVE-2026-14892

Tanium addressed an improper access controls vulnerability in Tanium Server.

Tanium addressed an improper access controls vulnerability in Tanium Server.

CVSS 3.1 · 4.3 Medium EPSS < 1% KEV · Not listed
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CVE-2026-53956

Rattler vulnerable to package cache path traversal via conda package build string

Rattler is a library that provides common functionality used within the conda ecosystem. `rattler_cache` prior to version 0.9.0 and `py-rattler` prior to version 0.24.0 were vulnerable to package-cache path traversal when handling package metadata from conda channels. During cache materialization, the `ratter_cache` code used the package record `build` string as part of a cache key that was joined into a filesystem path. A malicious or untrusted channel could publish repodata with path separators or traversal components in that field, causing package contents to be written outside the configured package cache directory. The issue requires use of a malicious or otherwise untrusted conda channel. Curated channels that validate package metadata are not expected to allow malformed build strings of this form. Users should upgrade to `rattler_cache` version 0.9.0 or `py-rattler` version 0.24.0 and avoid untrusted conda channels.

CVSS 3.1 · 5.4 Medium EPSS < 1% KEV · Not listed
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CVE-2026-15796

Builderall for WordPress <= 3.0.2 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'bg_video_service_url' Setting

The Builderall for WordPress plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'bg_video_service_url' Setting in all versions up to, and including, 3.0.2 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

CVSS 3.1 · 6.4 Medium EPSS < 1% KEV · Not listed
CVE-2026-18594

Advanced Contact form 7 DB <= 2.1.3 - Missing Authorization to Authenticated (Custom+) Unauthorized Data Import via 'import_cf7_id'

The Advanced Contact form 7 DB plugin for WordPress is vulnerable to authorization bypass in all versions up to, and including, 2.1.3. This is due to the plugin not properly verifying that a user is authorized to perform an action. This makes it possible for authenticated attackers, with custom-level access and above, to import forged CSV submission records into any Contact Form 7 form managed by the plugin.

CVSS 3.1 · 4.3 Medium EPSS < 1% KEV · Not listed
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CVE-2026-15820

Builderall for WordPress <= 3.0.2 - Authenticated (Contributor+) Stored Cross-Site Scripting via Photo Module 'attributes' Setting

The Builderall for WordPress plugin for WordPress is vulnerable to Stored Cross-Site Scripting via Photo Module 'attributes' Setting in all versions up to, and including, 3.0.2 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

CVSS 3.1 · 6.4 Medium EPSS < 1% KEV · Not listed
CVE-2026-11363

Ninja Forms <= 3.14.6 - Authenticated (Administrator+) PHP Object Injection via Form Import

The Ninja Forms – The Contact Form Builder That Grows With You plugin for WordPress is vulnerable to PHP Object Injection in all versions up to, and including, 3.14.6 via deserialization of untrusted input . This makes it possible for authenticated attackers, with administrator-level access and above, to inject a PHP Object. No known POP chain is present in the vulnerable software, which means this vulnerability has no impact unless another plugin or theme containing a POP chain is installed on the site. If a POP chain is present via an additional plugin or theme installed on the target system, it may allow the attacker to perform actions like delete arbitrary files, retrieve sensitive data, or execute code depending on the POP chain present. The deserialization is triggered automatically during form import when WPN_Helper::build_nf_cache() invokes $action->get_settings() immediately after the crafted form is imported, requiring no further interaction beyond the import action itself.

CVSS 3.1 · 6.6 Medium EPSS < 1% KEV · Not listed
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CVE-2026-87735

Undocumented Exception Causes Runtime Crash in Mirage-Crypto-Pk RSA Operations

An issue was discovered in the mirage-crypto-pk package before 2.3.0 for OCaml. There is an undocumented exception for a small message during RSA decryption or encryption.

CVSS 3.1 · 4.3 Medium EPSS < 1% KEV · Not listed
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CVE-2026-15140

Privilege Escalation via Portworx Operator during OpenShift Provisioning

A privilege-escalation issue in the Portworx Operator when deployed on Red Hat OpenShift (OCP). Only under specific conditions during the initial provisioning of a Portworx storage cluster, a user holding only limited, namespace-scoped permissions could cause the operator to grant broader access than intended, potentially resulting in elevated privileges within the Kubernetes cluster.

CVSS 4.0 · 7.7 High EPSS < 1% KEV · Not listed
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CVE-2026-64857

tirreno has Session Fixation in Login Authentication

tirreno, a security framework, has a session fixation issue in versions prior to 0.10.0. During authentication, tirreno validates the user's credentials and establishes the authenticated session, but it does not call `session_regenerate_id()` afterward. As a result, the session identifier is not rotated on login, it stays the same before and after authentication. An attacker able to fix a known session identifier in a victim's browser (for example through a network man-in-the-middle position, or a separate cross-site scripting or subdomain cookie-injection issue) could then gain access to the victim's authenticated session. The issue is fixed in v0.10.0. The session identifier is now regenerated on successful authentication, and the previous session is destroyed. There is no configuration-level workaround.

CVSS 4.0 · 5.3 Medium EPSS < 1% KEV · Not listed
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CVE-2026-87822

t-digest 3.1 through 3.3 Denial of Service via NaN Centroid Means in MergingDigest.fromBytes

t-digest versions 3.1 through 3.3 fail to validate centroid means during deserialization in MergingDigest.fromBytes, allowing attackers to inject NaN values that bypass validation checks. Attackers can craft malicious serialized digests containing NaN centroids that degrade sorting performance from O(n log n) to O(n squared), causing severe processing delays during merge operations.

CVSS 4.0 · 8.7 High EPSS < 1% KEV · Not listed
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CVE-2026-87823

zstd-jni 1.1.1 through 1.5.7-13 Out-of-Bounds Read via Direct ByteBuffer Frame-Size Methods

zstd-jni before 1.5.7-14 performs 32-bit signed bounds checks on three direct-ByteBuffer frame-size native methods, allowing out-of-bounds memory reads via negative or overflowing offsets. Attackers can supply negative offset values near Integer.MIN_VALUE to read unmapped memory, causing JVM termination or extracting arbitrary frame size data from unintended memory locations.

CVSS 4.0 · 8.8 High EPSS < 1% KEV · Not listed
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