Important: Red Hat Security Advisory: openssh security update

An update for openssh is now available for Red Hat Enterprise Linux 9.6 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for...

CVE-2026-43877

CVE-2026-43877 (WWBN/AVideo) : CSRF in objects/userSavePhoto.php allows a logged‑in user’s profile photo to be overwritten with arbitrary bytes via a crafted cross‑origin POST, due to missing CSRF protection (the endpoint does not use the .json.php suffix and is excluded from autoCSRFGuard), no t...

CVE-2026-43877 WWBN AVideo: CSRF in userSavePhoto.php Allows Cross-Origin Overwrite of Any Logged-in User's Profile Photo with Arbitrary Bytes

WWBN AVideo is an open source video platform. In versions up to and including 29.0, objects/userSavePhoto.php is a legacy profile-photo endpoint that accepts a base64 POST parameter and writes the decoded bytes to videos/userPhoto/photo.png. Its only access control is User::isLogged. It does not...

kernel: crypto: algif_aead - Revert to operating out-of-place

A flaw was found in the Linux kernel's algifaead cryptographic algorithm interface. An incorrect in-place operation causes source and destination data mappings to differ during cryptographic processing. A low-privileged local attacker can exploit this flaw to corrupt the contents of sensitive...

GHSA-P6FR-RXQ7-XCG8 MantisBT Vulnerable to Stored XSS in File Download

Using showinline=1 parameter and a valid fileshowinlinetoken CSRF token on filedownload.php, an attacker can execute code by uploading a crafted XHTML attachment referencing a JavaScript attachment. Impact Cross-site scripting Patches - 26647b2e68ba30b9d7987d4e03d7a16416684bc2 Workarounds None...

MantisBT Vulnerable to Stored XSS in File Download

Using showinline=1 parameter and a valid fileshowinlinetoken CSRF token on filedownload.php, an attacker can execute code by uploading a crafted XHTML attachment referencing a JavaScript attachment. Impact Cross-site scripting Patches - 26647b2e68ba30b9d7987d4e03d7a16416684bc2 Workarounds None...

MantisBT has Stored XSS on Move Attachments Admin Page

Unescaped Project Name allows an attacker that can set it which typically requires manager or administrator access level to inject HTML in Move Attachments admin page. Impact Cross-site scripting XSS. This is mitigated by Content Security Policy which restricts scripts execution. Patches -...

GHSA-7MQJ-8GJ2-CG59 MantisBT has Stored XSS on Move Attachments Admin Page

Unescaped Project Name allows an attacker that can set it which typically requires manager or administrator access level to inject HTML in Move Attachments admin page. Impact Cross-site scripting XSS. This is mitigated by Content Security Policy which restricts scripts execution. Patches -...

GHSA-PW5X-2MF9-3XC8 MantisBT has a Private Bugnote Attachment Content Leak via REST API

A missing authorization check in MantisBT's file visibility function allows any authenticated user REPORTER+ to download attachments on private bugnotes they should not be able to access, via the REST API endpoint GET /api/rest/issues/id/files and SOAP API mcissueattachmentget endpoint. Impact -...

MantisBT has a Private Bugnote Attachment Content Leak via REST API

A missing authorization check in MantisBT's file visibility function allows any authenticated user REPORTER+ to download attachments on private bugnotes they should not be able to access, via the REST API endpoint GET /api/rest/issues/id/files and SOAP API mcissueattachmentget endpoint. Impact -...

MantisBT: Authorization Bypass in Bugnote Editing via Issue Update API

The mcissueupdate function in MantisBT allows users having updatebugthreshold access UPDATER, with default settings to edit, change view state, and modify time tracking on bugnotes belonging to other users — bypassing the default DEVELOPER level 55 threshold required by the dedicated...

GHSA-PQ86-J2C2-47F6 MantisBT: Authorization Bypass in Bugnote Editing via Issue Update API

The mcissueupdate function in MantisBT allows users having updatebugthreshold access UPDATER, with default settings to edit, change view state, and modify time tracking on bugnotes belonging to other users — bypassing the default DEVELOPER level 55 threshold required by the dedicated...

MantisBT is Vulnerable to Reflected XSS in Rendering Dynamic Custom Textarea Field

Lack of validation of filtertarget parameter on returndynamicfilters.php normally used as an AJAX in View Issues Page allows an attacker to inject arbitrary HTML if the target is a TEXTAREA custom field. Impact Cross-site scripting XSS Patches - c885af13f0b8596714ffe11df757c09f35fbd8f4 Workaround...

GHSA-J7V9-F46R-2RP4 MantisBT is Vulnerable to Reflected XSS in Rendering Dynamic Custom Textarea Field

Lack of validation of filtertarget parameter on returndynamicfilters.php normally used as an AJAX in View Issues Page allows an attacker to inject arbitrary HTML if the target is a TEXTAREA custom field. Impact Cross-site scripting XSS Patches - c885af13f0b8596714ffe11df757c09f35fbd8f4 Workaround...

MantisBT has Potential Referer-Based Reflected HTML Injection / XSS in Tag Update Page

Improper escaping of the redirection page retrieved from the request's Referer header allows an attacker to inject HTML. While this is generally not directly actionable as modern browsers will URL-encode special characters, on some specific server configurations this could poison the cache, leadi...

GHSA-6JH4-47V2-4G37 MantisBT has Potential Referer-Based Reflected HTML Injection / XSS in Tag Update Page

Improper escaping of the redirection page retrieved from the request's Referer header allows an attacker to inject HTML. While this is generally not directly actionable as modern browsers will URL-encode special characters, on some specific server configurations this could poison the cache, leadi...

MantisBT has a Content Security Policy bypass via attachments

Given any pre-existing XSS / HTML injection vulnerability, an attacker can bypass the Content Security Policy's script-src directive by uploading a crafted attachment to any issue that, when accessed via the filedownload.php link, will be downloaded with a valid JavaScript MIME type resulting in...

GHSA-9C3J-XM6V-J7J3 MantisBT has a Content Security Policy bypass via attachments

Given any pre-existing XSS / HTML injection vulnerability, an attacker can bypass the Content Security Policy's script-src directive by uploading a crafted attachment to any issue that, when accessed via the filedownload.php link, will be downloaded with a valid JavaScript MIME type resulting in...

MantisBT is Vulnerable to XSS leading to account takeover via updating a user's font family preference

Any authenticated user can inject arbitrary HTML via updating their account's font family. Impact Cross-site scripting. The injected payload will be reflected in every MantisBT page. Leveraging another vulnerability CSP bypass, see GHSA-9c3j-xm6v-j7j3, the attacker could achieve account takeover...

GHSA-J3V9-553H-X28J MantisBT is Vulnerable to XSS leading to account takeover via updating a user's font family preference

Any authenticated user can inject arbitrary HTML via updating their account's font family. Impact Cross-site scripting. The injected payload will be reflected in every MantisBT page. Leveraging another vulnerability CSP bypass, see GHSA-9c3j-xm6v-j7j3, the attacker could achieve account takeover...