Beego privilege escalation vulnerability

published 2024-07-31 2 y ago modified 2026-09-10 1 mo ago also GHSA-wr3p-r5fj-wf97 , EUVD-2024-2441

cvss: 8.8; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.4%; EPSS 0.4% chance of exploitation in 30 days, percentile 37%
public exploits: 0; none known

An issue in beego v.2.2.0 and before allows a remote attacker to escalate privileges via the getCacheFileName function in file.go file

Patch / fix

fixed in 2 links 2

go github.com/beego/beego/v2 2.2.1
beego beego 2.2.1

github.com/beego/beego@5a366cd commit
github.com/beego/beego@8f89e12 commit

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: total
Assessed: 2 y ago (2024-08-02)

Exploit prediction

0.43% chance of exploitation in the next 30 days, higher than 37% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CISA ADP	3.1	8.8	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD	3.1	8.8	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CNA	3.1	8.8	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
GitHub	3.1	8.8	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected packages

ecosystem	package	affected	fixed in
go	github.com/beego/beego/v2	<2.2.1	2.2.1

Affected products

beego beego

Classification

Weakness

CWE-327 Use of a Broken or Risky Cryptographic Algorithm
CWE-328 Use of Weak Hash

References

github.com /beego/beego/commit/5a366cd62b555354a917a2d153e6563fe4d6eb88
web
github.com /beego/beego/commit/8f89e12e6cafb106d5c201dbc3b2a338bfde74e2
web
gist.github.com /nyxfqq/a5a2fc5147a1b34538e1ac05a3e56910
web, third-party-advisory
github.com /beego/beego/security/advisories/GHSA-6g9p-wv47-4fxq
web
nvd.nist.gov /vuln/detail/CVE-2024-40465
advisory
github.com /beego/beego
package

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary