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Gitea EUVDEUVD-2026-41616

| CVE-2026-22547 CRITICAL
Improper Input Validation (CWE-20)
2026-07-03 Gitea GHSA-922f-hfwp-p56f
9.1
CVSS 3.1 · Vendor: Gitea
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Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A05:2025 - Injection
ASVS 5.0
V2 - Validation and Business Logic Input validation, allowlisting
Act Now Prioritize within 24-48h. Why: CRITICAL severity.
Patch available 0.2% exploitation probability (EPSS)

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AnalysisAIv1 – Jul 22, 2026

Improper input validation in Gitea Open Source Git Server before 1.25.5 lets authenticated users submit repository-creation requests with unbounded template fields (issue labels, license, readme, fork branch) and unsupported trust-model or object-format values. The upstream fix (PRs 36671/36757) adds MaxSize length constraints and rejects any ObjectFormatName that is not sha1 or sha256. Rated CVSS 9.1 by the reporter, but no public exploit was identified, EPSS is only 0.17% (6th percentile), and CISA SSVC records exploitation status as none.

Affected VersionsENISA

Gitea Open Source Git Server 0 <1.25.5

Affected Packages

go code.gitea.io/gitea fix: 1.25.5
euvd gitea_open_source_git_server fix: 1.25.5

Source: OSV (Open Source Vulnerabilities)

Affects your stack

Affects 2 packages in go, euvd

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

Vendor (Gitea) PRIMARY 9.1 CRITICAL
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
SUSE CRITICAL

Primary rating from Vendor (Gitea).

CVSS VectorVendor: Gitea

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

Lifecycle Timeline

2
CVE Published
Jul 03, 2026 - 20:19 cve.org
CRITICAL 9.1
CVE Published
Jul 03, 2026 - 20:19 cve.org
UNKNOWN (no severity yet)

DescriptionCVE.org

Gitea versions before 1.25.5 lack validation constraints for repository creation fields, including length-limited template fields and trust model or object format values.

Executive ViewAI

Why It Matters

Gitea's repository-creation function lacks sufficient input validation in versions before 1.25.5, creating a pathway for authenticated users to submit malformed requests that could disrupt code repository services. Organizations should prioritize patching to 1.25.5 to ensure repository integrity and development workflow continuity. While the technical severity is rated critical (CVSS 9.1), real-world exploitation risk is minimal (0.2% probability, no known active exploitation), making this a standard high-priority patch rather than an incident response.

Recommended Action

Within 24 hours: Identify all Gitea deployments and document current versions. Within 7 days: apply patches to upgrade all instances to Gitea 1.25.5 or later, prioritizing internet-facing deployments. Within 30 days: verify all Gitea instances are running patched versions and review any unusual repository creation activity logs from the pre-patch period.

Business Impact: Medium
Compensating Controls

Apply vendor patch: upgrade to Gitea 1.25.5 or later.

Threat Intelligence Overview

EPSS Score
0.2%
Top 94% exploitable
Threat Intel
1
1 sources
Data Quality
6 sources
Confidence: High
EUVD NVD CVE.org EPSS Vulnrichment GHSA Vendor GitHub

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 CRITICAL
CISA KEV No
Public POC No
EPSS 0.2%
Patch available Yes
Active threat No
Deciding rule
CRITICAL severity
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
Scheduled
Exploitation
None
System Exposure· derived
Open
Automatable
Yes
Human Impact
Medium
Technical Impact
Total

Priority Score

46
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +46
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security.

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Vendor StatusVendor

SUSE

Severity: Critical

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