Medium severity · published Jul 30, 2026
CVE-2026-7260
Stack overflow in phar with circular symlinks
5.5
CVSS
0.1%
EPSS
No
On KEV
Description
Circular symbolic links in phar archives could lead to unbounded recursion, exhausting the C stack and crashing the PHP process, in PHP versions from 8.2.* before 8.2.33, from 8.3.* before 8.3.33, from 8.4.* before 8.4.24, and from 8.5.* before 8.5.9.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.1% · higher than 1% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
PH
PHP · PHP
8.2.* before 8.2.33; 8.3.* before 8.3.33; 8.4.* before 8.4.24; 8.5.* before 8.5.9 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-7260
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-7260
Vendor Advisory
https://github.com/php/php-src/security/advisories/GHSA-vc5h-9ppw-p5f3
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