CRITICAL
Gitea before 1.5.4 allows remote code execution because it does not properly validate session IDs
Published Nov 4, 2018
9.8
CRITICALCVSS 3.0
EPSS 3.04%
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.
Affected products
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
9.8 CRITICAL NVD
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact High
Integrity Impact High
Availability Impact High
7.5 HIGH NVD
AV:N/AC:L/Au:N/C:P/I:P/A:P
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact Partial
Integrity Impact Partial
Availability Impact Partial
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
3.04% 0.03041
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.
EPSS probability 0.03041
Score over time
2021–2026- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (24 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 3.04% (0.03041) | 87.07th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.04% (0.03041) | 85.76th | v5 (v2026.06.15) |
| Mar 20, 2026 | 1.57% (0.01566) | 81.34th | v4 (v2025.03.14) |
| Mar 3, 2026 | 2.57% (0.02573) | 85.35th | v4 (v2025.03.14) |
| Nov 21, 2025 | 7.09% (0.07092) | 91.14th | v4 (v2025.03.14) |
| Nov 18, 2025 | 1.33% (0.01330) | 78.24th | v4 (v2025.03.14) |
| Mar 30, 2025 | 7.09% (0.07092) | 90.65th | v4 (v2025.03.14) |
| Mar 29, 2025 | 20.28% (0.20280) | 92.69th | v4 (v2025.03.14) |
| Mar 21, 2025 | 7.09% (0.07092) | 90.75th | v4 (v2025.03.14) |
| Mar 19, 2025 | 8.87% (0.08866) | 91.49th | v4 (v2025.03.14) |
| Mar 17, 2025 | 7.49% (0.07489) | 91.13th | v4 (v2025.03.14) |
| Jul 20, 2024 | 0.36% (0.00362) | 72.56th | v3 (v2023.03.01) |
| Jun 23, 2024 | 0.36% (0.00362) | 72.42th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.30% (0.00303) | 68.85th | v3 (v2023.03.01) |
| Jul 8, 2023 | 0.30% (0.00303) | 65.50th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.43% (0.00429) | 70.46th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.16% (0.01156) | 61.37th | v2 (v2022.01.01) |
| Oct 18, 2022 | 1.16% (0.01156) | 60.36th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.16% (0.01156) | 58.36th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.16% (0.01156) | 34.92th | v2 (v2022.01.01) |
| Feb 3, 2022 | 0.92% (0.00918) | 25.93th | v1 |
| Jan 6, 2022 | 0.92% (0.00918) | 25.29th | v1 |
| Sep 1, 2021 | 0.92% (0.00918) | 60.61th | v1 |
| Apr 14, 2021 | 0.92% (0.00918) | 0.00th | v1 |
Weaknesses (2)
References (5)
- https://github.com/advisories/GHSA-hf6f-jq25-8gq9 Advisory
- https://github.com/go-gitea/gitea/commit/aeb5655c25053bdcd7eee94ea37df88468374162
- https://github.com/go-gitea/gitea/issues/5140 x_refsource_MISCMitigationPatchThird Party Advisory
- https://github.com/go-gitea/gitea/pull/5177
- https://nvd.nist.gov/vuln/detail/CVE-2018-18926
| Link | Providers | Tags |
|---|---|---|
| https://github.com/advisories/GHSA-hf6f-jq25-8gq9 | Advisory | |
| https://github.com/go-gitea/gitea/commit/aeb5655c25053bdcd7eee94ea37df88468374162 | ||
| https://github.com/go-gitea/gitea/issues/5140 | x_refsource_MISCMitigationPatchThird Party Advisory | |
| https://github.com/go-gitea/gitea/pull/5177 | ||
| https://nvd.nist.gov/vuln/detail/CVE-2018-18926 |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Nov 4, 2018
Updated Aug 5, 2024
Reserved Nov 4, 2018
Link CVE-2018-18926
CISA Vulnrichment
GHSA-HF6F-JQ25-8GQ9 Updated n/a