PYSEC-2026-1729 Open WebUI Affected by an External Model Server (Direct Connections) Code Injection via SSE Events

Summary Open WebUI v0.6.33 and below contains a code injection vulnerability in the Direct Connections feature that allows malicious external model servers to execute arbitrary JavaScript in victim browsers via Server-Sent Event SSE execute events. This leads to authentication token theft, comple...

PYSEC-2026-1203 Authlib is vulnerable to Denial of Service via Oversized JOSE Segments

Summary Authlib’s JOSE implementation accepts unbounded JWS/JWT header and signature segments. A remote attacker can craft a token whose base64url‑encoded header or signature spans hundreds of megabytes. During verification, Authlib decodes and parses the full input before it is rejected, driving...

PYSEC-2026-1348 Fides' Admin UI User Password Change Does Not Invalidate Current Session

Summary Admin UI user password changes in Fides do not invalidate active user sessions, creating a vulnerability chaining opportunity where attackers who have obtained session tokens through other attack vectors such as XSS can maintain access even after password reset. This issue is not directly...

PYSEC-2026-1977 Transformers is vulnerable to ReDoS attack through its DonutProcessor class

A Regular Expression Denial of Service ReDoS vulnerability was discovered in the Hugging Face Transformers library, specifically within the DonutProcessor class's token2json method. This vulnerability affects versions 4.51.3 and earlier, and is fixed in version 4.52.1. The issue arises from the...

GO-2026-5881 goshs: Share-link ?token=… redemption races past download limit in goshs.de/goshs

goshs: Share-link ?token=… redemption races past download limit in goshs.de/goshs...

GO-2026-5889 Contour has Improper JWT Verification for Non-SNI Requests on Virtual Hosts with Fallback Certificate Enabled in github.com/projectcontour/contour

Contour has Improper JWT Verification for Non-SNI Requests on Virtual Hosts with Fallback Certificate Enabled in github.com/projectcontour/contour...

GO-2026-5892 Casdoor doesn't verify that a JWT used for token exchange is still active in github.com/casdoor/casdoor

Casdoor doesn't verify that a JWT used for token exchange is still active in github.com/casdoor/casdoor...

GO-2026-5850 Fission builder pods auto-mount the fission-builder ServiceAccount token in the user-supplied builder container in github.com/fission/fission

Fission builder pods auto-mount the fission-builder ServiceAccount token in the user-supplied builder container in github.com/fission/fission...

GO-2026-5811 turso-cli persists Turso platform JWT with world-readable (0o644) file permissions in github.com/tursodatabase/turso-cli

turso-cli persists Turso platform JWT with world-readable 0o644 file permissions in github.com/tursodatabase/turso-cli...

GO-2026-5828 Nezha Monitoring: Pre-auth path traversal via /dashboard.. prefix confusion leaks jwt_secret_key in github.com/nezhahq/nezha

Nezha Monitoring: Pre-auth path traversal via /dashboard.. prefix confusion leaks jwtsecretkey in github.com/nezhahq/nezha. NOTE: The source advisory for this report contains additional versions that could not be automatically mapped to standard Go module versions. If this is causing false-positi...

PYSEC-2026-1936 Spotipy's cache file, containing spotify auth token, is created with overly broad permissions

Summary The CacheHandler class creates a cache file to store the auth token here: https://github.com/spotipy-dev/spotipy/blob/master/spotipy/cachehandler.pyL93-L98 The file created has rw-r--r-- 644 permissions by default, when it could be locked down to rw------- 600 permissions. I think 600 is ...

PYSEC-2026-1667 MobSF Local Privilege Escalation

Product: Mobile Security Framework MobSF Version: 4.3.0 CWE-ID: CWE-269: Improper Privilege Management CVSS vector v.4.0: 7.1 AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:L/SI:N/SA:N CVSS vector v.3.1: 6.5 AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N Description: MobSF has a functionality of dividing users ...

MAL-2026-7291 Malicious code in generate-iam-token (npm)

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MAL-2026-7286 Malicious code in fiat-token-admin (npm)

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PYSEC-2026-1913 Slack integration leaks sensitive information in logs

Impact Sentry's Slack integration incorrectly records the incoming request body in logs. This request data can contain sensitive information, including the deprecated Slack verification token. With this verification token, it is possible under specific configurations, an attacker can forge reques...

PYSEC-2026-1706 JupyterLab vulnerable to potential authentication and CSRF tokens leak

Impact Users of JupyterLab who click on a malicious link may get their Authorization and XSRFToken tokens exposed to a third party when running an older jupyter-server version. Patches JupyterLab 4.1.0b2, 4.0.11, and 3.6.7 were patched. Workarounds No workaround has been identified, however users...

Sentry vulnerable to incorrect credential validation on OAuth token requests

ImpactAn attacker with sufficient client-side exploits could retrieve a valid access token for another user during the OAuth token exchange due to incorrect credential validation. The client ID must be known and the API application must have already been authorized on the targeted user account...

PYSEC-2026-1915 Sentry vulnerable to incorrect credential validation on OAuth token requests

Impact An attacker with sufficient client-side exploits could retrieve a valid access token for another user during the OAuth token exchange due to incorrect credential validation. The client ID must be known and the API application must have already been authorized on the targeted user account...

Privilege escalation via ApiTokensEndpoint

ImpactAn attacker with access to a token with few or no scopes can query /api/0/api-tokens/ for a list of all tokens created by a user, including tokens with greater scopes, and use those tokens in other requests.There is no evidence that the issue was exploited on https://sentry.io. For...

PYSEC-2026-1912 Privilege escalation via ApiTokensEndpoint

Impact An attacker with access to a token with few or no scopes can query /api/0/api-tokens/ for a list of all tokens created by a user, including tokens with greater scopes, and use those tokens in other requests. There is no evidence that the issue was exploited on https://sentry.io. For...