CVE-2026-3087
published 2026-04-27CVE-2026-3087: If `shutil.unpack_archive()` is given a ZIP archive with an absolute Windows path containing a drive (`C:\\...`) then the archive will be extracted outside the…
PriorityP344high7.5CVSS 3.1
AVNACLPRNUINSUCNIHAN
EPSS
0.55%
45.8th percentile
If `shutil.unpack_archive()` is given a ZIP archive with an absolute Windows path containing a drive (`C:\\...`) then the archive will be extracted outside the target directory which is different than other operating systems. Only Windows is affected by this vulnerability.
Affected
15 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| python | python | <= 3.14.4 | — |
| python | python | — | — |
| python | python | — | — |
| python | python | — | — |
| python | python | — | — |
| python | python | — | — |
| python | python | — | — |
| python | python | — | — |
| python | python | — | — |
| python_software_foundation | cpython | < 3.10.21 | 3.10.21 |
| python_software_foundation | cpython | >= 3.11.0 < 3.11.16 | 3.11.16 |
| python_software_foundation | cpython | >= 3.12.0 < 3.12.14 | 3.12.14 |
| python_software_foundation | cpython | >= 3.13.0 < 3.13.14 | 3.13.14 |
| python_software_foundation | cpython | >= 3.14.0a1 < 3.14.5rc1 | 3.14.5rc1 |
| python_software_foundation | cpython | >= 3.15.0a1 < 3.15.0b1 | 3.15.0b1 |
CVSS provenance
nvdv3.17.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
nvdv4.06.0MEDIUMCVSS:4.0/AV:N/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
vendor_redhat5.5LOW
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GHSA
GHSA-7r27-jhmm-vmp6: If `shutil
ghsa_unreviewed·2026-04-27
CVE-2026-3087 [MEDIUM] CWE-22 GHSA-7r27-jhmm-vmp6: If `shutil
If `shutil.unpack_archive()` is given a ZIP archive with an absolute Windows path containing a drive (`C:\\...`) then the archive will be extracted outside the target directory which is different than other operating systems. Only Windows is affected by this vulnerability.
VulDB
Python CPython ZIP Archive shutil.unpack_archive path traversal (ID 146581 / EUVD-2026-25922)
vuldb·2026-04-27·CVSS 6.0
CVE-2026-3087 [MEDIUM] Python CPython ZIP Archive shutil.unpack_archive path traversal (ID 146581 / EUVD-2026-25922)
A vulnerability was found in Python CPython. It has been classified as critical. Affected is the function shutil.unpack_archive of the component ZIP Archive Handler. This manipulation causes path traversal.
This vulnerability is registered as CVE-2026-3087. Remote exploitation of the attack is possible. No exploit is available.
To fix this issue, it is recommended to deploy a patch.
Red Hat
kernel: net: icmp: avoid invalid transport header access in icmp_send tracepoint
vendor_redhat·2026-10-14·CVSS 5.5
CVE-2026-98402 [LOW] CWE-824 kernel: net: icmp: avoid invalid transport header access in icmp_send tracepoint
kernel: net: icmp: avoid invalid transport header access in icmp_send tracepoint
In the Linux kernel, the following vulnerability has been resolved:
net: icmp: avoid invalid transport header access in icmp_send tracepoint
syzbot reported a WARNING triggered by DEBUG_NET_WARN_ON_ONCE():
WARNING: at skb_transport_header include/linux/skbuff.h:3087 [inline]
WARNING: at udp_hdr include/linux/udp.h:23 [inline]
WARNING: at do_trace_event_raw_event_icmp_send include/trace/events/icmp.h:30 [inline]
WARNING: at trace_event_raw_event_icmp_send+0x48c/0x6ec include/trace/events/icmp.h:11
Call trace:
skb_transport_header include/linux/skbuff.h:3087 [inline]
udp_hdr include/linux/udp.h:23 [inline]
do_trace_event_raw_event_icmp_send include/trace/events/icmp.h:30 [inline]
trace_event_raw_event_icmp_send
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
https://github.com/python/cpython/commit/1071290169f85c09cf767c1099564a9426cdc7e8https://github.com/python/cpython/commit/65b255416ae217bf0e22085be3c1976cea18bd8chttps://github.com/python/cpython/commit/7ef7dd0a74f47facd1fadcbc77f8fb03beb5eb4dhttps://github.com/python/cpython/commit/8e13025747e1ca72e86d1f35637123f9c306f0cbhttps://github.com/python/cpython/commit/8ee6aff14054b37b53e47194a2fa313e98163c94https://github.com/python/cpython/commit/a6650a2cdf0c49fb8ce0c982903aa2aa274beefehttps://github.com/python/cpython/commit/ab5ef98af693bded74a738570e81ea70abef2840https://github.com/python/cpython/commit/b01e594fbe754a960212f908d047294e880b52fdhttps://github.com/python/cpython/commit/ba0aca3bffce431fe2fbd53ca4cd6a717a2e2c19https://github.com/python/cpython/commit/fc829e88753858c8ac669594bf0093f44948c0f4https://github.com/python/cpython/issues/146581https://github.com/python/cpython/pull/146591https://mail.python.org/archives/list/[email protected]/thread/X6FXE5C6KDKOVNX3EC3DWD5RUPFWOZA4/http://www.openwall.com/lists/oss-security/2026/04/28/9
2026-04-27
Published