How severe is CVE-2018-1000803?

CVE-2018-1000803 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2018-1000803 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-1000803?

CVE-2018-1000803 affects Gitea. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-1000803?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2018-1000803 published?

CVE-2018-1000803 was published on 2018-10-08 and last updated on 2026-06-17.

CVE-2018-1000803

CVE-2018-1000803 is a medium-severity vulnerability in Gitea with a CVSS 3.x base score of 5.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-200.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
CVSS v2: 5.0
EPSS exploit prediction: 1% (67th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-200
Affected product: Gitea
Published: 2018-10-08
Last modified: 2026-06-17

Description

Gitea version prior to version 1.5.1 contains a CWE-200 vulnerability that can result in Exposure of users private email addresses. This attack appear to be exploitable via Watch a repository to receive email notifications. Emails received contain the other recipients even if they have the email set as private. This vulnerability appears to have been fixed in 1.5.1.

Frequently asked questions

What is CVE-2018-1000803?: Gitea version prior to version 1.5.1 contains a CWE-200 vulnerability that can result in Exposure of users private email addresses. This attack appear to be exploitable via Watch a repository to receive email notifications. Emails received contain the other recipients even if they have the email set as private. This vulnerability appears to have been fixed in 1.5.1.
How severe is CVE-2018-1000803?: CVE-2018-1000803 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2018-1000803 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-1000803?: CVE-2018-1000803 affects Gitea. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-1000803?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-1000803 published?: CVE-2018-1000803 was published on 2018-10-08 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:gitea:gitea:*:*:*:*:*:*:*:*

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