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CVE-2018-18926

31
FAUCET Score

CVE-2018-18926 is a critical remote code execution vulnerability affecting Gitea versions prior to 1.5.4, stemming from improper session ID validation within the underlying go-macaron/session code. With a CVSS score of 9.8, this vulnerability is easily exploitable over the network without authentication, allowing for complete compromise of confidentiality, integrity, and availability. Despite its severity, there is no public exploit intelligence, active exploitation, or significant community discussion reported for this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.5.4CPE matchmatch criteria
cpe:2.3:a:gitea:gitea:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

9.8CRITICAL

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
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
3.04%
Probability of exploitation in next 30 days
EPSS Percentile
86.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0304 is in the 77th percentile among its peer group of 36,897 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (7)

audiobookshelfpatch availablevia llm_extracted
axispatch availablevia llm_extracted
extreme_networkspatch availablevia llm_extracted
freebsdpatch availablevia llm_extracted
github_advisorypatch availablevia nvd_reference
View patch
gopatch availablevia ghsa
Product: code.gitea.io/giteaFixed in: 1.5.2
trendmicropatch availablevia llm_extracted

Vendor Advisories (6)

goGHSA-hf6f-jq25-8gq9critical

Gitea Remote Code Execution (RCE)

Feb 15, 2022
trendmicrollm-trendmicro-1e525f5cdb756e45

Vulnerable upstream Library

axisllm-axis-c343c835cb2c37af

Vulnerable upstream Library

audiobookshelfllm-audiobookshelf-132ee223292615c5

Vulnerable upstream Library

freebsdllm-freebsd-cb6a976afc8c69c0

Vulnerable upstream Library

extreme_networksllm-extreme_networks-4d60625134b5adda

Vulnerable upstream Library

References

github.com / go-gitea/gitea/issues/5140
MitigationPatchThird Party Advisory