CVE-2018-18926
Gitea Remote Code Execution (RCE)
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2018-18926- CVSS 3.0
- 9.8 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-384
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2018-18926- Updated
- 2026-11-02
EUVDEUVD-2022-1042 No score
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.
- Record
EUVD-2022-1042- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-hf6f-jq25-8gq9
Gitea Remote Code Execution (RCE)
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.
- Record
GHSA-hf6f-jq25-8gq9- CVSS 3.0
- 9.8 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-94
- Updated
- 2026-11-02
OSVGHSA-hf6f-jq25-8gq9
Gitea Remote Code Execution (RCE)
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.
- Record
GHSA-hf6f-jq25-8gq9- CVSS 3.0
- 9.8 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-94
- Updated
- 2026-11-02
OSVUBUNTU-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.
- Record
UBUNTU-CVE-2018-18926- CVSS 3.0
- 9.8 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVGO-2022-0844 No score
Gitea Remote Code Execution (RCE) in code.gitea.io/gitea
Gitea Remote Code Execution (RCE) in code.gitea.io/gitea
- Record
GO-2022-0844- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
code.gitea.io/giteaGo |
before 1.5.2 | 1.5.2 |
golang-code.gitea-gitUbuntu:18.04:LTS |
All versions, plus listed versions 0.0~git20170710.0.fc63966-10.0~git20170919.0.cdb43f0-10.0~git20171222.4ec3654-10.0~git20171222.4ec3654-3 |
None known |
golang-code.gitea-gitUbuntu:20.04:LTS |
All versions, plus listed versions 0.0~git20171222.4ec3654-3 |
None known |
golang-code.gitea-gitUbuntu:22.04:LTS |
All versions, plus listed versions 0.0~git20190411.63b74d4+ds-1 |
None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2018-18926 is a critical vulnerability (CVSS 9.8) in Gitea, published November 4, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 3.04%, the 87th percentile. Fixed in code.gitea.io/gitea 1.5.2.