CVE-2018-18926

highpriority · track · 40EPSS 0.030 · 87 %ileEUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

3.04% (87th) EPSS

CVSS 7.5 · high

Is it mine?

3 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · osv · nvd

EPSS · scored 2026-10-26

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.

cvss

Technical severity, 0–10. One row per scoring source.

9.8

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 7.5–9.8

v2.07.5highAV:N/AC:L/Au:N/C:P/I:P/A:Pprimary · NVD / NIST USexploitability 10 · impact 6.4

v3.09.8criticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 5.9

v3.09.8criticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · OSV

v3.09criticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-384USprimaryCWE-94US

affected products (3)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
gitea gitea< 1.5.4nvdUScpe:2.3:a:gitea:gitea:*:*:*:*:*:*:*:*
Go code.gitea.io/gitea< 1.5.2osvUSpkg:golang/code.gitea.io/gitea

advisories (2)

Vendor and ecosystem advisories describing this.

GHSA-hf6f-jq25-8gq9Gitea Remote Code Execution (RCE)2022-02-15ghsa · osvUS
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.
GO-2022-0844Gitea Remote Code Execution (RCE) in code.gitea.io/gitea2024-08-21vendor · osvUS
Gitea Remote Code Execution (RCE) in code.gitea.io/gitea

also known as (5)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd osv nvd NVD CVE.org MITRE

published 2018-11-04modified 2026-06-17

related (608)

Related entries.

ID	severity	EPSS	exploitable	published
CVE-2026-102489US	critical9.8OT critical	1.96% (80th)	KEV	2026-09-30
Zammad versions 6.3.0 to 6.5.4 are vulnerable a session hijack vulnerability that leads to remote code execution as the zammad user. The bug is also present in version 7.0.0 to ver…
CVE-2018-11714US	critical9.8	67.1% (99th)	Exploit	2018-06-04
An issue was discovered on TP-Link TL-WR840N v5 00000005 0.9.1 3.16 v0001.0 Build 170608 Rel.58696n and TL-WR841N v13 00000013 0.9.1 4.16 v0001.0 Build 170622 Rel.64334n devices. T…
CVE-2018-18925US	critical9.8	31.1% (98th)	Exploit	2018-11-04
Gogs 0.11.66 allows remote code execution because it does not properly validate session IDs, as demonstrated by a ".." session-file forgery in the file session provider in file.go.…
CVE-2017-12965US	critical9.8	15.7% (97th)	Exploit	2017-08-23
Session fixation vulnerability in Apache2Triad 1.5.4 allows remote attackers to hijack web sessions via the PHPSESSID parameter.
CVE-2019-10008US	high8.8	19.4% (97th)	Exploit	2019-04-24
Zoho ManageEngine ServiceDesk 9.3 allows session hijacking and privilege escalation because an established guest session is automatically converted into an established administrato…

+603 more

references (3)

External citations — patches, advisories, analysis.

https://github.com/go-gitea/gitea/issues/5140 cnnvd
https://github.com/go-gitea/gitea/issues/5140 enisa_euvd
https://github.com/go-gitea/gitea/issues/5140MitigationPatchThird Party Advisorynvd

scry

Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.

Free scan