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NVD / CVE Program· CNA Gitea

CVE-2026-20904: Gitea: Broken access control in OpenID visibility toggle enables cross-user visibility changes

Noroxi assessment

Priority: Monitor (action score 26/100)

  • The sources we track (CISA KEV, Exploit-DB, Metasploit, Nuclei, GitHub) show no public exploit code or exploitation in the wild.
  • Probability of exploitation in the next 30 days: 0.30% (FIRST EPSS).
  • Anyone who can reach it over the internet can trigger it. A low-privileged account is enough. No user action is required. No special conditions are required; it is repeatable.
  • Fixed version: code.gitea.io/gitea (Go) 1.25.4; github.com/go-gitea/gitea (Go) 1.25.4.

Low priority for now. Upgrade to code.gitea.io/gitea (Go) 1.25.4; github.com/go-gitea/gitea (Go) 1.25.4 or later.

Generated automatically from the record's data: CVSS (NVD and CNA), CISA KEV and SSVC, FIRST EPSS, exploit sources, fixed versions. How we calculate it

Primary sources: NVD · CVE.org · FIRST EPSS

Gitea does not properly validate ownership when toggling OpenID URI visibility. An authenticated user may be able to change the visibility settings of other users' OpenID identities.

MediumCVSS 6.5 · v3.1—No exploit Fix available
Published
Jan 22, 2026
Updated
Jun 17, 2026
EPSS
0.3% · 22th percentile

Report tools

JSON

Action score

26

Monitor

Low priority for now.

CVSS
26 / 40 · 6.5 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.3%

CISA SSVC decision

Exploitation
none
Automatable
no
Technical impact
partial

Vulnrichment: CISA's decision-tree inputs.

Get told when this record changes

  • Not in KEV: no record of exploitation in the wild
  • No public exploit code on record
  • A fix has been released

If any of these changes, we'll tell you in the daily email digest.

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When you'll hear from us

  • when it enters CISA KEV
  • when exploit code appears or is weaponized
  • when the record is updated (including a fixed version)
  • when EPSS rises 20 points in a week

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Noroxi analysis

What does it mean in your environment?

The assessment above is generated automatically from the record's data; it doesn't know your environment. Our team verifies on your systems whether this vulnerability is actually exploitable and which mitigation is enough.

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Affected systems

Is your version affected?

Pick the product and type the version you run. It's compared with this record's version ranges in your browser; the version isn't sent anywhere.

VendorProduct
giteagitea

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • gitea giteabefore 1.25.4

Versions reported by the vendor

Affected version ranges reported by the assigning authority (Gitea). Independent of NVD's CPE analysis and usually ahead of it.

  • Gitea Gitea Open Source Git Server

    • up to and including 1.25.3affected · semver

Package-level exposure

OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.

EcosystemPackageAffected rangeFix
Gocode.gitea.io/giteabefore 1.25.41.25.4
Gogithub.com/go-gitea/giteabefore 1.25.41.25.4

Same product

gitea: all records

Other highest-scoring records for the same primary product.

  • CVE-2026-60004Gitea before 1.27.1 allows remote code execution via the diffpatch API through Git hook installation.KEV
    76This week
  • CVE-2026-59774Gitea Org-mode file disclosure and code execution
    60This week
  • CVE-2022-30781Gitea before 1.16.7 does not escape git fetch remote.
    60This week

Published before and after this one in the same product

  • ← EarlierCVE-2026-20888Jan 22, 2026 · Gitea Pull Requests Auto-Merge: Read-Only Users Can Cancel Scheduled Auto-Merge via Web Endpoint (Authorization Bypass)
    17Monitor
  • ← EarlierCVE-2026-20897Jan 22, 2026 · Gitea Git LFS Lock Deletion Broken Access Control (Cross-Repo IDOR)
    36Monitor
  • Later →CVE-2026-20912Jan 22, 2026 · Gitea: Cross-Repository Authorization Bypass via Release Attachment Linking Leads to Private Attachment Disclosure
    36Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

Product / packageFixed versionSource
Go:code.gitea.io/gitea1.25.4Package registry (OSV)
Go:github.com/go-gitea/gitea1.25.4Package registry (OSV)

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

  • CVE-2026-207500 days apartGitea Organization Projects Cross-Organization Authorization Bypass via Project ID (IDOR)
    36Monitor
  • CVE-2026-208970 days apartGitea Git LFS Lock Deletion Broken Access Control (Cross-Repo IDOR)
    36Monitor
  • CVE-2026-209120 days apartGitea: Cross-Repository Authorization Bypass via Release Attachment Linking Leads to Private Attachment Disclosure
    36Monitor
  • CVE-2026-66877265 days apartGitea fork workflow approval bypass through concurrency cancellation
    32Monitor
  • CVE-2026-207360 days apartGitea Web Attachment Deletion: Cross-Repository Unauthorized Deletion via Missing Repo Ownership Check
    30Monitor
  • CVE-2026-208830 days apartGitea Stopwatch API Missing Authorization Check Leads to Post-Revocation Information Disclosure
    26Monitor

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

  • Anyone who can reach it over the internet can trigger it.
  • A low-privileged account is enough.
  • No user action is required.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
none
Integrity
high · data or configuration can be modified
Availability
none
Attack vector
Network
Attack complexity
Low
Privileges required
Low
User interaction
None
Scope
Unchanged
Confidentiality impact
None
Integrity impact
High
Availability impact
None

Weakness class (CWE)

CWE-284 · Improper Access Control

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

nvd-secondary

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

Change log

  1. Fix✗ → ✓

For records you follow, these changes also arrive as notifications. →

References

Show all references (4 more)

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records