High [CVE-2026-58314] Server-Side Request Forgery via webhooks, repository migration, and OpenID discovery
This high-severity Red Hat Linux advisory covers CVE-2026-58314 affecting OpenShift Pipelines.
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Summary
Two SSRF findings in Gitea 1.26.2 A flaw was found in Gitea. This vulnerability, known as Server-Side Request Forgery (SSRF), allows an attacker to trick the server into making requests to internal network resources.
A logged-in user can exploit this by crafting malicious webhooks or repository migration configurations, leading to the disclosure of sensitive information from internal hosts.
Additionally, if OpenID sign-in is enabled, an unauthenticated attacker can trigger blind GET requests to internal IPs through the OpenID discovery process, which can be used for internal network reconnaissance.
A flaw in Gitea's URL parsing logic allows both authenticated users (via webhooks or repository migrations) and unauthenticated users (via OpenID discovery) to trigger HTTP GET requests to internal endpoints.
By manipulating these parameters, an attacker can bypass boundary controls to perform Server-Side Request Forgery (SSRF), allowing internal network reconnaissance and disclosure of sensitive information from internal hosts. Red Hat severity: Important — CVSS 8.6 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N).
Weakness: CWE-918. Affected Red Hat products: OpenShift Pipelines.
Red Hat does not currently list a fixing RHSA for this CVE.
Affected versions
No affected-version range was extracted from the source record. The vendor advisory is authoritative — check it before change work.
Official advisory · high-confidence parse· fetched 9 days ago·verify at source
Mitigation checklist
- To mitigate unauthenticated internal network probes, disable OpenID sign-in by setting `ENABLE_OPENID_SIGNIN = false` in app.ini. To limit SSRF risks from webhooks and repository migrations, configure `ALLOWED_HOST_LIST` to explicitly restrict webhooks to trusted external domains or block private IP ranges.
Official advisory · high-confidence parse· fetched 9 days ago·verify at source
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