CVE-2026-8368

Exploitation

Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.

SSVC decision

• ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

0.26% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 18.3% of scored records. A rank, not a probability.

NVD base score

6.5 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

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

NVD analysis status

Deferred. NVD last modified this record on 2026-10-26.

Red Hat severity

Moderate. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2026-05-12 14:01Z5 MO AGO

Last updated

2026-05-19 17:16Z5 MO AGO

Reserved

2026-05-11

Assigning CNA

CPANSec

Record state

PUBLISHED

Severity

Medium (CVSS 6.5)

CNA CVSS vector

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

Weaknesses

• CWE-522Insufficiently Protected CredentialsClass
• CWE-201Insertion of Sensitive Information Into Sent DataBase

Data version

5.2

Document digest

a6ea7d231afade8bb5d1652b7e60d7cd7ff13a69b59e3b4c4658772be98c490b

• github.comhttps://github.com/libwww-perl/libwww-perl/commit/9c4aeb6f2dd32f2b7eaf2d7827cade31ea6cb2c6.patchpatch
• metacpan.orghttps://metacpan.org/release/OALDERS/libwww-perl-6.83/changesrelease-notes
• github.comhttps://github.com/libwww-perl/libwww-perl/pull/512issue-tracking
• github.comhttps://github.com/libwww-perl/libwww-perl/pull/284related
• www.openwall.comhttp://www.openwall.com/lists/oss-security/2026/05/12/7