EUVD-2026-41619

Gitea: Fork Synchronization Continues After Parent Repository Changes from Public to Private...

GHSA-WRF9-R3H7-7X5V Gitea: Fork Synchronization Continues After Parent Repository Changes from Public to Private

Summary The POST /api/v1/repos/owner/repo/merge-upstream endpoint continues to synchronize commits from a parent repository after the parent repository has been changed from public to private. A fork created while the parent repository was public can still receive commits made after the parent...

Gitea: Fork-PR Actions task can read a third private repository via the collaborative-owner branch (missing fork-PR guard)

Summary GetActionsUserRepoPermission models/perm/access/repopermission.go decides whether an Actions task token may access a target repo. Its cross-repo branches each enforce a fork-PR discriminator — except the collaborative-owner branch, which is missing the !task.IsForkPullRequest guard that i...

GHSA-FJ8V-HJWV-QM88 Gitea: Fork-PR Actions task can read a third private repository via the collaborative-owner branch (missing fork-PR guard)

Summary GetActionsUserRepoPermission models/perm/access/repopermission.go decides whether an Actions task token may access a target repo. Its cross-repo branches each enforce a fork-PR discriminator — except the collaborative-owner branch, which is missing the !task.IsForkPullRequest guard that i...

EUVD-2026-41607

Gitea: Permanent Fork PR Workflow Approval Gate Bypass...

GHSA-777R-4V59-6486 Gitea: Permanent Fork PR Workflow Approval Gate Bypass

| Field | Value | |-------|-------| | Identifier researcher-assigned | GITEA-2026-004 | | Product | Gitea self-hosted Git service | | Component | Gitea Actions — fork pull request approval gate | | Affected versions | All Gitea releases v1.20.0 and later, including the latest main...

Gitea: Permanent Fork PR Workflow Approval Gate Bypass

| Field | Value | |-------|-------| | Identifier researcher-assigned | GITEA-2026-004 | | Product | Gitea self-hosted Git service | | Component | Gitea Actions — fork pull request approval gate | | Affected versions | All Gitea releases v1.20.0 and later, including the latest main...

GHSA-RJVX-X5H2-6PX5 Gitea: API Fork Endpoint Authorization Bypass Allows Organization Members to Bypass Repository Creation Restrictions

Summary The API endpoint used to fork repositories into organizations performs a weaker authorization check than the corresponding web UI and other repository creation endpoints. When a repository is forked into an organization through the API, the endpoint only verifies that the user is an...

libssh: libssh: denial of service via unchecked ProxyCommand fork() failure

A flaw was found in libssh. When ProxyCommand is used, an unchecked fork failure can be stored as process ID -1; during cleanup, signals may then be sent across the caller's accessible process tree, leading to local denial of service...

CVE-2026-59845

A flaw was found in libssh. When ProxyCommand is used, an unchecked fork failure can be stored as process ID -1; during cleanup, signals may then be sent across the caller's accessible process tree, leading to local denial of service...

EUVD-2026-46178

A flaw was found in libssh. When ProxyCommand is used, an unchecked fork failure can be stored as process ID -1; during cleanup, signals may then be sent across the caller's accessible process tree, leading to local denial of service...

CVE-2026-59845

A flaw was found in libssh. When ProxyCommand is used, an unchecked fork failure can be stored as process ID -1; during cleanup, signals may then be sent across the caller's accessible process tree, leading to local denial of service...

CVE-2026-59845 Libssh: libssh: denial of service via unchecked proxycommand fork() failure

A flaw was found in libssh. When ProxyCommand is used, an unchecked fork failure can be stored as process ID -1; during cleanup, signals may then be sent across the caller's accessible process tree, leading to local denial of service...

CVE-2026-59845

A flaw was found in libssh. When ProxyCommand is used, an unchecked fork failure can be stored as process ID -1; during cleanup, signals may then be sent across the caller's accessible process tree, leading to local denial of service...

CVE-2026-59845

A flaw was found in libssh. When ProxyCommand is used, an unchecked fork failure can be stored as process ID -1; during cleanup, signals may then be sent across the caller's accessible process tree, leading to local denial of service...

CVE-2026-59845

CVE-2026-59845 describes a vulnerability in the libssh library where, when using the ProxyCommand feature, an unchecked fork() failure can be stored as PID -1. During cleanup, signals may be sent across the caller’s process tree, enabling local denial of service. The Red Hat advisory confirms thi...

CVE-2026-59845

A flaw was found in libssh. When ProxyCommand is used, an unchecked fork failure can be stored as process ID -1; during cleanup, signals may then be sent across the caller's accessible process tree, leading to local denial of service. Mitigation To mitigate this issue, avoid using the ProxyComman...

Denial of Service (DoS)

Overview Affected versions of this package are vulnerable to Denial of Service DoS in the ProxyCommand process. An attacker can disrupt local system availability by triggering an unchecked fork failure, which causes signals to be sent across the process tree. This is only exploitable if the...

[SECURITY] Fedora 43 Update: python-pillow-11.3.0-10.fc43

Python image processing library, fork of the Python Imaging Library PIL This library provides extensive file format support, an efficient internal representation, and powerful image processing capabilities. There are four subpackages: tk tk interface, qt PIL image wrapper for Qt, devel developmen...

PT-2026-63291

Name of the Vulnerable Software and Affected Versions Gitea version 1.26.2 Description A confidentiality breach exists where an attacker-controlled fork pull-request workflow can gain read access to a third private repository. This occurs because the GetActionsUserRepoPermission function in...