CVE-2026-17084

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

0.48% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 39.5% of scored records. A rank, not a probability.

NVD base score

6.0 (CVSS v4.0), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

NVD analysis status

Awaiting Analysis. NVD last modified this record on 2026-09-05.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

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

2026-08-18 13:57Z17 DAYS AGO

Last updated

2026-09-05 00:35Z9 HR AGO

Reserved

2026-07-24

Assigning CNA

PSF

Record state

PUBLISHED

Severity

Medium (CVSS 6.0)

CNA CVSS vector

CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N

Weaknesses

• CWE-436Interpretation ConflictClass

Data version

5.2

Document digest

15d9e91a91c25dd73875fadec3260d597894d32fb58cee69c74d130142ba488d

• github.comhttps://github.com/python/cpython/pull/155293patch
• github.comhttps://github.com/python/cpython/issues/155292issue-tracking
• mail.python.orghttps://mail.python.org/archives/list/security-announce@python.org/thread/EUHHTC6EV7HCLSUHP25C5VHSV4V2MUZN/vendor-advisory
• github.comhttps://github.com/python/cpython/commit/7e109d084d55e7eb25837a5f3b47ef9beee547bcpatch
• github.comhttps://github.com/python/cpython/commit/5181304bcec9cfc3c15311741c9154cdff2e3fd7patch
• github.comhttps://github.com/python/cpython/commit/1e54caa096678a38afcabecabb1ff72400dd6baepatch
• www.openwall.comhttp://www.openwall.com/lists/oss-security/2026/08/18/2