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Gitea CVE-2026-70407

| EUVDEUVD-2026-101097 MEDIUM
Improper Authorization (CWE-285)
N/A vendor:alpine
4.3
CVSS 3.1 · Vendor: vendor:alpine
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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata – not a confirmed exploit chain

  1. Access
    Unknown access vector
  2. Exploit
    Unknown exploitation technique
  3. Impact
    Unknown impact

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A01:2025 - Broken Access Control
ASVS 5.0
V8 - Authorization Authorization verification
MITRE ATT&CK

1 technique across 1 tactic: Defense Evasion

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

Exploitation Conditions

Exploitation conditions cannot be determined from available data. No CVSS vector, description of affected feature, required configuration, or authentication level is provided. It is unknown whether exploitation requires authentication, a specific Gitea feature to be enabled, local or network access, or any user interaction. Defenders should consult upstream Gitea security advisories for concrete exploitation prerequisites once disclosed.

Impact

Risk cannot be meaningfully assessed from available data. No CVSS vector, no CWE, no EPSS score, no KEV designation, and no POC status are present. The sole signal is that Alpine Linux issued a package update, which confirms a security-relevant fix exists but provides no severity, exploitability, or impact context. This absence of data is itself a signal: the advisory may be a conservative downstream packaging fix or an undisclosed upstream security patch. Defenders should treat this as a low-information advisory and apply the update while monitoring for upstream Gitea release notes or GHSA advisories that may provide further context.

Exploit ScenarioDerived

Because the vulnerability details are entirely undisclosed, no specific exploit scenario can be constructed. In general, Gitea instances exposed to the internet are a common target for credential theft, repository access, or code injection attacks. Administrators should apply the fix and watch for upstream disclosure of the vulnerability's nature.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).
No patch listed yet 0.3% exploitation probability (EPSS)

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AnalysisAIv1 – Sep 06, 2026

Gitea, a self-hosted Git service distributed via Alpine Linux, received a security fix in package version 1.27.3-r0. The upstream vulnerability details - including the specific weakness, affected functionality, and attacker capabilities - have not been disclosed in the available intelligence. The fix is confirmed by the Alpine Linux vendor advisory, establishing that version 1.27.3-r0 or later of the Alpine package resolves the issue.

RemediationAI

Update the Gitea package in Alpine Linux to version 1.27.3-r0 or later using the standard Alpine package manager: 'apk update && apk upgrade gitea'. No upstream Gitea advisory URL was supplied in the available data; administrators should also review the official Gitea release notes at gitea.com and the Alpine Linux package tracker for additional context. If upgrading immediately is not possible and the nature of the vulnerability becomes known, consider restricting Gitea's network exposure (e.g., placing it behind a VPN or reverse proxy with access controls) as a generic compensating control, noting this does not address the underlying flaw.

Affected VersionsENISA

Gitea 0 ≤1.27.2

Affected Packages

euvd gitea no fix

Source: OSV (Open Source Vulnerabilities)

Affects your stack

Affects 1 package in euvd

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

Gitea is a lightweight, self-hosted Git service written in Go, commonly packaged for Alpine Linux (used heavily in container and minimal-footprint deployments). The Alpine package version 1.27.3-r0 corresponds to upstream Gitea 1.27.3. No CWE has been assigned, so the root cause class - whether input validation, authentication, authorization, or another weakness - is entirely unknown from the available data. CPE strings were not provided, preventing precise version-range identification beyond the fixed package version.

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Severity by source

Vendor (vendor:alpine) PRIMARY 4.3 MEDIUM
AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Primary rating from Vendor (vendor:alpine) · only source for this CVE.

CVSS VectorVendor: vendor:alpine

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None

DescriptionCVE.org

Alpine Linux: gitea fixed in 1.27.3-r0

Threat Intelligence Overview

EPSS Score
0.3%
Top 77% exploitable
Prevalence
Medium
popular self-hosted Git service, widely used in container and DevOps environments
Data Quality
4 sources
Confidence: Medium

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity MEDIUM
CISA KEV No
Public POC No
EPSS 0.3%
Patch available No
Active threat No
Deciding rule
MEDIUM severity (CVSS 4.0-6.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Scheduled
Exploitation· derived
None
System Exposure· derived
Open
Automatable· derived
No
Human Impact· derived
Medium

Priority Score

22
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +22
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Authentication bypass attacks exploit flaws in the verification mechanisms that control access to systems and applications.

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