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CVE-2023-5838

26
FAUCET Score

CVE-2023-5838 is a critical vulnerability affecting linkstackorg/linkstack prior to version 4.2.9, stemming from insufficient session expiration. With a CVSS score of 9.8, it allows unauthenticated remote attackers to achieve full compromise (confidentiality, integrity, availability) with low attack complexity. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
< 4.2.9CPE matchmatch criteria
cpe:2.3:a:linkstack:linkstack:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

4.1MEDIUM

CVSS:3.0/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:L

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
LOW
Exploitability Score
0.7
Impact Score
3.4
CvssVersion
3.0

Exploit Intelligence

EPSS Score
0.50%
Probability of exploitation in next 30 days
EPSS Percentile
40.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0050 is in the 19th percentile among its peer group of 36,835 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 (1)

github_advisorypatch availablevia nvd_reference
View patch

References

github.com / linkstackorg/linkstack/commit/02f620092255f07e1d0252a0190fd42ef773ba05
Patch
huntr.com / bounties/8f6feca3-386d-4897-801c-39b9e3e5eb03
ExploitPatchThird Party Advisory