Security readout for executives and security teams
Plain-English summary
Gitea’s repository migration and mirror features contain two server-side request forgery weaknesses. An unauthenticated attacker may cause a vulnerable server to contact internal or otherwise protected systems, potentially exposing sensitive information or enabling unauthorized changes. The supplied evidence does not identify exact affected versions.
Executive priority
Treat as an urgent remediation item for exposed Gitea servers. Immediately establish versions, feature accessibility, and outbound reachability, then follow vendor guidance. Systems with untrusted migration or mirror access and broad internal connectivity should receive the highest priority.
Technical view
The reported flaws involve DNS rebinding and failure to revalidate destinations during migration or mirror requests. These weaknesses can bypass outbound-request trust checks after initial validation. The CVSS 3.1 score is 9.1, with network access, low complexity, no privileges, no user interaction, and high confidentiality and integrity impact.
Likely exposure
Prioritize Gitea instances where repository migration or mirroring is enabled or reachable from untrusted users. Risk increases when the Gitea host can reach management interfaces, private services, cloud metadata endpoints, or other sensitive networks. Exact affected versions and default feature exposure are not established by the supplied bundle.
Exploitation context
The bundle reports no CISA KEV listing and provides no evidence of active exploitation. Nevertheless, the unauthenticated, network-reachable conditions and potential access to trusted internal resources make exploitation materially dangerous where vulnerable functionality is exposed.
Researcher notes
The supplied record attributes both SSRF paths to migration or mirror handling and classifies the issue as CWE-284. It does not provide reliable affected-version boundaries, detailed request flows, confirmed indicators of compromise, or evidence of exploitation. Release 1.27.0 is referenced, but its corrective status should be confirmed from vendor guidance.
Mitigation direction
- Consult the Gitea advisory to identify affected versions and the vendor-confirmed corrected release.
- Upgrade to the vendor-confirmed fixed version after compatibility testing.
- Until upgraded, restrict or disable untrusted access to repository migration and mirror features.
- Apply outbound network controls preventing Gitea from reaching private, link-local, metadata, and management destinations.
Validation and detection
- Inventory every Gitea deployment and record its exact installed version.
- Compare installed versions and configurations with the vendor advisory’s affected-version guidance.
- Determine whether migration or mirror functionality is available to unauthenticated or untrusted users.
- Review Gitea and network logs for unexpected outbound connections to sensitive destinations.
- Verify safely that destination validation covers redirects, DNS changes, and every outbound request.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-284: Authorization and privilege behavior lookup
Authorization weaknesses can support privilege escalation and valid-account review, depending on exploit path. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCloud metadata behavior lookup
The CVE wording references SSRF or metadata access, so cloud discovery and credential material review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2026-58508 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Critical
- CVSS
- 9.1 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
SSVC decision data
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N3.95.2CISA-ADPVulnerability scoring details
Base CVSS 3.1 score
9.1CriticalVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- CVE publishedCVE Program
The CVE record was published.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
Source materials
- CVE List V5 sourceCVE List V5
- GitHub Security AdvisoryCVE reference, Gitea · vendor-advisory
- Gitea v1.27.0 ReleaseCVE reference, Gitea · release-notes
- Gitea v1.27.0 Release Blog PostCVE reference, Gitea · release-notes
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Improper Access Control
Improper Access Control represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.