CVE-2026-27771

CVE-2026-27771 vulnerability

CVSS

8.2

EPSS

40.7%

EPSS pct

99th

Exploited

No known

Gitea versions up to and including 1.26.1 have insufficient permission checks for Composer package source links, which can expose private or internal package source information.

Affected vendor

See references

Affected product

See references

CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N

Weakness type (CWE)

CWE-862 — Missing Authorization

Published

2026-07-03

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, no user interaction. Successful exploitation leads to high impact to confidentiality, low impact to integrity.

Its EPSS score of 40.7% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it among the most exploited CVEs currently tracked.

Check your external exposure to CVE-2026-27771

Confirm whether the affected software is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2026-27771.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2026-27771

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2026-27771 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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Are you exposed to CVE-2026-27771?

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