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CVE-2023-42663

21
FAUCET Score

CVE-2023-42663 is a medium-severity vulnerability affecting Apache Airflow versions prior to 2.7.2. It allows an authorized user with read access to specific Directed Acyclic Graphs (DAGs) to gain unauthorized access to task instance information in other DAGs. The vulnerability has a CVSS score of 6.5, indicating a network attack vector with low attack complexity, requiring low privileges, and resulting in high confidentiality impact without affecting integrity or availability. There is currently no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 2.7.2CPE matchmatch criteria
cpe:2.3:a:apache:airflow:*:*:*:*:*:*:*:*
>= 0, < 2.7.2CPE match
cpe:2.3:a:apache:airflow:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.5MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.55%
Probability of exploitation in next 30 days
EPSS Percentile
72.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0155 is in the 86th percentile among its peer group of 21,974 CVEs.

Social Chatter

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

Media Mentions

No media coverage found for this CVE.

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

Remediation

Patch Available

Vendor Patches (2)

github_advisorypatch availablevia nvd_reference
View patch
pippatch availablevia ghsa
Product: apache-airflowFixed in: 2.7.2

Vendor Advisories (1)

pipGHSA-32wr-qqw6-5mfpmedium

Apache Airflow vulnerable to sensitive information exposure

Oct 14, 2023

References

github.com / apache/airflow/pull/34315
Patch
lists.apache.org / thread/xj86cvfkxgd0cyqfmz6mh1bsfc61c6o9
Mailing ListVendor Advisory
openwall.com / lists/oss-security/2023/11/12/2
Mailing ListThird Party Advisory