CVE-2018-18926
CVE-2018-18926 is a critical-severity vulnerability in Gitea with a CVSS 3.x base score of 9.8. 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-384.
Key facts
- Severity: Critical (CVSS 3.x base score 9.8)
- CVSS v2: 7.5
- EPSS exploit prediction: 3% (87th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-384
- Affected product: Gitea
- Published:
- Last modified:
Description
Gitea before 1.5.4 allows remote code execution because it does not properly validate session IDs. This is related to session ID handling in the go-macaron/session code for Macaron.
Frequently asked questions
- What is CVE-2018-18926?
- Gitea before 1.5.4 allows remote code execution because it does not properly validate session IDs. This is related to session ID handling in the go-macaron/session code for Macaron.
- How severe is CVE-2018-18926?
- CVE-2018-18926 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2018-18926 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2018-18926?
- CVE-2018-18926 affects Gitea. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2018-18926?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- When was CVE-2018-18926 published?
- CVE-2018-18926 was published on 2018-11-04 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:gitea:gitea:*:*:*:*:*:*:*:*
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