CVE-2026-2297

Aliases:DEBIAN-CVE-2026-2297ALPINE-CVE-2026-2297UBUNTU-CVE-2026-2297CGA-58mf-9mrv-x67rCGA-7967-7qh5-pgf4CGA-7mfj-2x79-6932CGA-88ff-6245-vc44CGA-9frp-664x-hchmCGA-9v4v-c56g-42w4CGA-9vxj-84jq-f4jjCGA-c854-qwwh-8h52CGA-cgff-rrxx-hjw8CGA-f5pf-4q4f-3qqvCGA-g3rm-9mc5-cr46CGA-hh4h-cxxc-8f75CGA-jhx4-wp7v-82cmCGA-mpmq-rf22-68vmCGA-p5gw-jf83-97h2CGA-88gw-63mv-cv2gCGA-9r45-vx75-39vvCGA-v6mg-9w36-hr4qCGA-vf8g-7hjc-rh5cCGA-w796-v534-fc9gCGA-w9p2-r75q-g5cwCGA-wh6c-fc87-25qxCGA-xg75-93v7-gqg4
Advisory lineage Upstream: 0 Downstream: 28
Awaiting Analysis
Published: 04 Mar 2026, 22:10
Last modified:13 Aug 2026, 00:28

Vulnerability Summary

Overall Risk (default)
low
23/100
CVSS Score
5.7 MEDIUM
v4.0 (cve.org)
EPSS Score
0.21% LOW
0% probability +0.20%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

04 Mar 2026, 22:10
Published
Vulnerability first disclosed
13 Aug 2026, 00:28
Last Modified
Vulnerability information updated

Description

The import hook in CPython that handles legacy *.pyc files (SourcelessFileLoader) is incorrectly handled in FileLoader (a base class) and so does not use io.open_code() to read the .pyc files. sys.audit handlers for this audit event therefore do not fire.

CVSS Metrics

  • v4.0•MEDIUM•Score: 5.7CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N
  • v4.0•MEDIUM•Score: 5.7CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/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

EPSS Trends

Current EPSS score: 0.21%• Percentile: 12%

Techniques & Countermeasures

  • CWE-668•Exposure of Resource to Wrong Sphere

    The product exposes a resource to the wrong control sphere, providing unintended actors with inappropriate access to the resource.

Affected Systems

  • alpine•python3

    < 3.12.14-r0 | < 3.12.14-r0 | < 3.12.14-r0 | < 3.14.5-r0

  • chainguard•python-3.10

    < 3.10.21-r0

  • chainguard•python-3.11

    < 3.11.16-r1

  • chainguard•python-3.12

    < 3.12.14-r2

  • chainguard•python-3.13

    < 3.13.12-r3

  • chainguard•python-3.14

    < 3.14.3-r3

  • chainguard•python-3.14-base-dev

    < 3.14.3-r3

  • chainguard•python-3.14-dev

    < 3.14.3-r3

  • chainguard•python-3.14-doc

    < 3.14.3-r3

  • chainguard•python-3.14-jit

    < 3.14.3-r3

  • chainguard•python-3.14-privileged-netbindservice

    < 3.14.3-r3

  • chainguard•python-3.14-tk

    < 3.14.3-r3

  • chainguard•python-3.14t

    < 3.14.3-r3

  • chainguard•python-3.9

    all

  • wolfi•python-3.10

    < 3.10.21-r0

  • wolfi•python-3.11

    < 3.11.16-r1

  • wolfi•python-3.12

    < 3.12.14-r2

  • wolfi•python-3.13

    < 3.13.12-r3

  • wolfi•python-3.14

    < 3.14.3-r3

  • wolfi•python-3.14-base-dev

    < 3.14.3-r3

  • wolfi•python-3.14-dev

    < 3.14.3-r3

  • wolfi•python-3.14-doc

    < 3.14.3-r3

  • wolfi•python-3.14-jit

    < 3.14.3-r3

  • wolfi•python-3.14-privileged-netbindservice

    < 3.14.3-r3

  • wolfi•python-3.14-tk

    < 3.14.3-r3

  • wolfi•python-3.14t

    < 3.14.3-r3

  • debian•pypy3

    all | all | all | < 7.3.22+dfsg-1

  • debian•python3.11

    < 3.11.2-6+deb12u8

  • debian•python3.13

    < 3.13.5-2+deb13u1 | < 3.13.14-1

  • debian•python3.14

    < 3.14.3-4

  • debian•python3.9

    < 3.9.2-1+deb11u7

  • ubuntu•python3.10

    < 3.10.12-1~22.04.16

  • ubuntu•python3.11

    all | all

  • ubuntu•python3.12

    < 3.12.3-1ubuntu0.15

  • ubuntu•python3.13

    all

  • ubuntu•python3.14

    all

  • ubuntu•python3.8

    all

  • ubuntu•python3.9

    all

  • python software foundation•cpython

    < 3.15.0a7 | < 3.14.4 | < 3.13.13 | < 3.10.21 | ≥ 3.11.0, < 3.11.16 | ≥ 3.12.0, < 3.12.14 | ≥ 3.13.0, < 3.13.13 | ≥ 3.14.0, < 3.14.4 | ≥ 3.15.0a1, < 3.15.0a7

References (17)