The is_cgi method in CGIHTTPServer.py in the CGIHTTPServer module in Python 2.5, 2.6, and…
Priority LOW 29CWE-200Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- Partial · None · None
- Fix status
- Fixed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-200.
Summary
The is_cgi method in CGIHTTPServer.py in the CGIHTTPServer module in Python 2.5, 2.6, and 3.0 allows remote attackers to read script source code via an HTTP GET request that lacks a / (slash) character at the beginning of the URI.
Why it matters now
EPSS 0.03803 90th percentileScored 2026-11-07
Public exploit Yes 4 exploit referencesTagged by NVD
Fix Fixed Red Hat: 3 advisories
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:python:python:3.0:*:*:*:*:*:*:* | 3.0 | Vulnerable | python-pillow |
- cpe:2.3:a:python:python:3.0:*:*:*:*:*:*:* Versions 3.0 Vulnerable ·python-pillow
Remediation
Red Hat 3 advisories
- RHSA-2011:0554 Released 2011-05-19 · Red Hat rating Moderatepython security, bug fix, and enhancement update
- Red Hat Enterprise Linux Desktop (v. 6) python-2.6.6-20.el6, python-libs-2.6.6-20.el6, tkinter-2.6.6-20.el6
- Red Hat Enterprise Linux Desktop Optional (v. 6) python-2.6.6-20.el6, python-devel-2.6.6-20.el6, python-test-2.6.6-20.el6 +1
- Red Hat Enterprise Linux HPC Node (v. 6) python-2.6.6-20.el6, python-libs-2.6.6-20.el6
- Red Hat Enterprise Linux HPC Node Optional (v. 6) python-2.6.6-20.el6, python-devel-2.6.6-20.el6, python-test-2.6.6-20.el6 +2
- Red Hat Enterprise Linux Server (v. 6) python-2.6.6-20.el6, python-devel-2.6.6-20.el6, python-docs-2.6.6-2.el6 +2
- Red Hat Enterprise Linux Server Optional (v. 6) python-2.6.6-20.el6, python-test-2.6.6-20.el6, python-tools-2.6.6-20.el6 +1
- Red Hat Enterprise Linux Workstation (v. 6) python-2.6.6-20.el6, python-devel-2.6.6-20.el6, python-docs-2.6.6-2.el6 +2
- Red Hat Enterprise Linux Workstation Optional (v. 6) python-2.6.6-20.el6, python-test-2.6.6-20.el6, python-tools-2.6.6-20.el6
- RHSA-2011:0491 Released 2011-05-05 · Red Hat rating Moderatepython security update
- Red Hat Enterprise Linux AS version 4 python-2.3.4-14.10.el4, python-2.3.4-14.10.el4.i386, python-2.3.4-14.10.el4.ia64 +17
- Red Hat Enterprise Linux Desktop version 4 python-2.3.4-14.10.el4, python-2.3.4-14.10.el4.i386, python-devel-2.3.4-14.10.el4 +7
- Red Hat Enterprise Linux ES version 4 python-2.3.4-14.10.el4, python-2.3.4-14.10.el4.i386, python-2.3.4-14.10.el4.ia64 +12
- Red Hat Enterprise Linux WS version 4 python-2.3.4-14.10.el4, python-2.3.4-14.10.el4.i386, python-2.3.4-14.10.el4.ia64 +12
- RHSA-2011:0492 Released 2011-05-05 · Red Hat rating Moderatepython security update
- Red Hat Enterprise Linux (v. 5 server) python-2.4.3-44.el5, python-2.4.3-44.el5.i386, python-2.4.3-44.el5.ia64 +17
- Red Hat Enterprise Linux Desktop (v. 5 client) python-2.4.3-44.el5, python-2.4.3-44.el5.i386, python-libs-2.4.3-44.el5 +5
- Red Hat Enterprise Linux Desktop Workstation (v. 5 client) python-2.4.3-44.el5, python-devel-2.4.3-44.el5, python-devel-2.4.3-44.el5.i386
Vendor assessments
Red Hat
Red Hat rating: Low. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux (v. 5 server) | Fixed | RHSA-2011:0492 |
| Red Hat Enterprise Linux AS version 4 | Fixed | RHSA-2011:0491 |
| Red Hat Enterprise Linux Desktop (v. 5 client) | Fixed | RHSA-2011:0492 |
| Red Hat Enterprise Linux Desktop (v. 6) | Fixed | RHSA-2011:0554 |
| Red Hat Enterprise Linux Desktop Optional (v. 6) | Fixed | RHSA-2011:0554 |
| Red Hat Enterprise Linux Desktop Workstation (v. 5 client) | Fixed | RHSA-2011:0492 |
| Red Hat Enterprise Linux Desktop version 4 | Fixed | RHSA-2011:0491 |
| Red Hat Enterprise Linux ES version 4 | Fixed | RHSA-2011:0491 |
| Red Hat Enterprise Linux HPC Node (v. 6) | Fixed | RHSA-2011:0554 |
| Red Hat Enterprise Linux HPC Node Optional (v. 6) | Fixed | RHSA-2011:0554 |
| Red Hat Enterprise Linux Server (v. 6) | Fixed | RHSA-2011:0554 |
| Red Hat Enterprise Linux Server Optional (v. 6) | Fixed | RHSA-2011:0554 |
| Red Hat Enterprise Linux WS version 4 | Fixed | RHSA-2011:0491 |
| Red Hat Enterprise Linux Workstation (v. 6) | Fixed | RHSA-2011:0554 |
| Red Hat Enterprise Linux Workstation Optional (v. 6) | Fixed | RHSA-2011:0554 |
Timeline
- 2026-10-02 Threatist record created from CVE-2011-1015
- 2026-10-03 Alias added: GHSA-76v4-rfvh-v87h
- 2026-10-31 EPSS moved to the 90th–95th percentile
References
Exploit 4
Patch 2
More python-pillow Python vulnerabilities
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Sources
- CVE-2011-1015 · CVE Program
- CVE-2011-1015 · NVD
- FIRST EPSS
- GHSA-76v4-rfvh-v87h · GitHub Advisory Database · CC BY 4.0
- CVE-2011-1015 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences