EUVD-2026-43312

Mattermost versions 11.7.x = 11.7.2, 11.6.x = 11.6.4, 10.11.x = 10.11.19 fail to verify that the channel referenced in an action cookie matches the channel of the target post, which allows an authenticated user without access to a private channel to trigger interactive post actions on posts in th...

CVE-2026-10106

Mattermost versions 11.7.x = 11.7.2, 11.6.x = 11.6.4, 10.11.x = 10.11.19 fail to verify that the channel referenced in an action cookie matches the channel of the target post, which allows an authenticated user without access to a private channel to trigger interactive post actions on posts in th...

CVE-2026-10106 Unauthorized users can trigger interactive post actions in private channels via action cookie channel mismatch in Mattermost

Mattermost versions 11.7.x = 11.7.2, 11.6.x = 11.6.4, 10.11.x = 10.11.19 fail to verify that the channel referenced in an action cookie matches the channel of the target post, which allows an authenticated user without access to a private channel to trigger interactive post actions on posts in th...

CVE-2026-10106

Mattermost vulnerable versions: 11.7.x ≤ 11.7.2, 11.6.x ≤ 11.6.4, and 10.11.x ≤ 10.11.19. The issue stems from failing to verify that the channel referenced in an action cookie matches the target post’s channel, enabling an authenticated user without access to a private channel to trigger interac...

CVE-2026-10106 Unauthorized users can trigger interactive post actions in private channels via action cookie channel mismatch in Mattermost

Mattermost versions 11.7.x = 11.7.2, 11.6.x = 11.6.4, 10.11.x = 10.11.19 fail to verify that the channel referenced in an action cookie matches the channel of the target post, which allows an authenticated user without access to a private channel to trigger interactive post actions on posts in th...

CVE-2026-10106 Unauthorized users can trigger interactive post actions in private channels via action cookie channel mismatch in Mattermost

Mattermost versions 11.7.x = 11.7.2, 11.6.x = 11.6.4, 10.11.x = 10.11.19 fail to verify that the channel referenced in an action cookie matches the channel of the target post, which allows an authenticated user without access to a private channel to trigger interactive post actions on posts in th...

MAL-2026-10410 Malicious code in cookie-phase (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 17bfab347de8288575bca9677b9eb7652b0024cdbffc1efebe387378c243299c The package presents itself as the popular pino logger README badges, exported module.exports.pino = middleware but its name and metadata are...

Malicious code in cookie-sign (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 8ad03fe65b40f317c4f3dd1d4031b1ce3942432ccbb8d794c7b94c7de8566d0f The package presents itself as a cookie-signing / Express-middleware utility mimicking pino logger internals as cover, but its main entry spawns a...

MAL-2026-10411 Malicious code in cookie-sign (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 8ad03fe65b40f317c4f3dd1d4031b1ce3942432ccbb8d794c7b94c7de8566d0f The package presents itself as a cookie-signing / Express-middleware utility mimicking pino logger internals as cover, but its main entry spawns a...

PT-2026-59380

Summary An application-wide Cross-Site Request Forgery CSRF vulnerability was found Open-WebUl's image uploading functionality. An attacker can set an image URL to a malicious endpoint, allowing them to perform actions on behalf of a victim user. Any authenticated user can exploit this...

PT-2026-59674

Summary A stored Cross-site Scripting XSS vulnerability was identified in the Identity Name of the WebUI where attacker-controlled input is persisted by the backend and later rendered in the WebUI without proper output encoding. This allows arbitrary JavaScript execution in the context of the Web...

PT-2026-57655

Mattermost versions 11.7.x = 11.7.2, 11.6.x = 11.6.4, 10.11.x = 10.11.19 fail to verify that the channel referenced in an action cookie matches the channel of the target post, which allows an authenticated user without access to a private channel to trigger interactive post actions on posts in th...

CVE-2026-10106: Incorrect Authorization

Mattermost versions 11.7.x = 11.7.2, 11.6.x = 11.6.4, 10.11.x = 10.11.19 fail to verify that the channel referenced in an action cookie matches the channel of the target post, which allows an authenticated user without access to a private channel to trigger interactive post actions on posts in th...

PT-2026-59296

Impact The Response.set cookie method does not sanitize its string arguments, and in particular will not detect the presence of the r sequence in them. This can be a potential source of header injection attacks. For a header injection attack through this issue to be possible, an attacker must fir...

PT-2026-60041

Summary If curl is used an external downloader for yt-dlp, cookies may be leaked to an unintended host upon HTTP redirect or when the host for download fragments differs from their parent manifest's. This is the equivalent to GHSA-v8mc-9377-rwjj for the curl downloader. The vulnerable behavior is...

PT-2026-57841

Name of the Vulnerable Software and Affected Versions Rejetto HFS versions 3.0.0 through 3.2.0 Description Rejetto HFS uses a non-cryptographic pseudo-random number generator, Math.random, to derive its session-cookie signing key. The application discloses outputs from this same generator to...

CVE-2026-49971: Improper Neutralization of Input During Web Page Generation

Laravel-Mediable before 7.0.0 contains a stored cross-site scripting vulnerability that allows authenticated or anonymous users to execute arbitrary JavaScript by uploading unsanitized SVG files containing embedded scripts in onload event handlers, script tags, or foreignObject elements. Attacker...

CVE-2026-61500: Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)

Rejetto HFS 3.0.0 through 3.2.0 derives its session-cookie signing key from the non-cryptographic Math.random generator and discloses outputs of the same generator to unauthenticated clients during login. A remote attacker can collect a small number of login responses, reconstruct the generator's...

PT-2026-59136

Summary The cookies property in emmett core.http.wrappers.Request does not handle CookieError exceptions when parsing malformed Cookie headers. This allows unauthenticated attackers to trigger HTTP 500 errors and cause denial of service. Details Location: emmett core/http/wrappers/ init .py line ...

PT-2026-59198

Overview Amazon Web Services AWS Security has identified a stored cross-site scripting XSS issue in the jupyterlab-git JupyterLab extension that can lead to remote code execution RCE. The issue exists in the PlainTextDiff.ts component, where the createHeader method passes Git filenames directly t...