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CVE-2023-51665

22
FAUCET Score

CVE-2023-51665 is an unauthenticated blind server-side request forgery (SSRF) vulnerability affecting Audiobookshelf versions prior to 2.7.0. This critical flaw, with a CVSS score of 7.5 (HIGH), allows an unauthenticated attacker to make arbitrary requests from the server, potentially leading to information disclosure (C:H). There are no known workarounds, and users are advised to upgrade to version 2.7.0 immediately. While there is no evidence of active exploitation, public exploit code, or significant community discussion, the vulnerability's nature makes it a serious concern.

Impacted Technologies

VendorProductVersion(s)CPE
< 2.7.0CPE matchmatch criteria
cpe:2.3:a:audiobookshelf:audiobookshelf:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

4.3MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
1.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.35%
Probability of exploitation in next 30 days
EPSS Percentile
27.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0035 is in the 8th percentile among its peer group of 51,506 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 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 / advplyr/audiobookshelf/commit/728496010cbfcee5b7b54001c9f79e02ede30d82
Patch
github.com / advplyr/audiobookshelf/security/advisories/GHSA-gjgj-98v3-47pg
Third Party Advisory