CVE-2026-55987
HIGHCVSS 8.1/10EPSS 0.29%
Last modified
CVE-2026-55987 is a high-severity vulnerability rated 8.1/10 on the CVSS scale. OAuth2 sign-in reactivates an administrator-deactivated account on auth sources without refresh tokens (incomplete fix of #38009). EPSS estimates a 0.29% chance of exploitation in the next 30 days.
Description
OAuth2 sign-in reactivates an administrator-deactivated account on auth sources without refresh tokens (incomplete fix of #38009)
Metrics
Weakness Enumeration
Affected Software
Source: CNA advisory (CVE.org). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| Gitea | Gitea Open Source Git Server | <= 1.26.4 |
References
Timeline
- Published
- Last Modified
- Status
- Deferred
Frequently Asked Questions
What is CVE-2026-55987?
OAuth2 sign-in reactivates an administrator-deactivated account on auth sources without refresh tokens (incomplete fix of #38009)
How severe is CVE-2026-55987?
CVE-2026-55987 has a CVSS score of 8.1/10 (HIGH severity). The EPSS model estimates a 0.29% probability of exploitation in the next 30 days.
How do I fix CVE-2026-55987?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- Uncovering a hidden BOLA in Appsmith's snapshot logicStrix autonomously discovered a BOLA/IDOR vulnerability in Appsmith's snapshot deletion path.
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- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
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Are you affected by CVE-2026-55987?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST
