CVE-2026-70407: Access Control Flaw (CVSS 4.3)

Description

Gitea's organization-list API does not enforce the read:organization token scope. A token limited to another category, such as read:misc, can retrieve organization metadata visible to its owner. For a site administrator's token, the response can include Limited and private organizations, bypassing the intended restriction on the token's delegated access.

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CVSS v3.1 Score

4.3

MEDIUM

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

EPSS — Exploit Prediction

0.0032

Probability of exploitation

0.23%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-285 CWE-285

References

Other References

https://blog.gitea.com/release-of-1.27.3/ https://github.com/go-gitea/gitea/pull/39041 https://github.com/go-gitea/gitea/pull/39058 https://github.com/go-gitea/gitea/releases/tag/v1.27.3 https://github.com/go-gitea/gitea/security/advisories/GHSA-ww9q-7j5q-hrv5

Frequently Asked Questions

What is CVE-2026-70407? +

Gitea's organization-list API does not enforce the read:organization token scope. A token limited to another category, such as read:misc, can retrieve organization metadata visible to its owner. For a site administrator's token, the response can include Limited and private organizations, bypassing the intended restriction on the token's delegated access. It has a CVSS v3.1 base score of 4.3 (MEDIUM).

How severe is CVE-2026-70407? +

CVE-2026-70407 has a CVSS v3.1 score of 4.3 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance. The EPSS score is 0.0032, placing it in the 0th percentile for exploitation probability.

How do I check if I'm vulnerable to CVE-2026-70407? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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