Vulnerability · Published Oct 1, 2026 · Assigned by VulnCheck

CVE-2026-104356PictShare < 3.7.1 Predictable Delete Code via rand()

Medium 5.9

In plain English

A medium-severity security flaw in pictshare from HaschekSolutions. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 32% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code.

Severity (CVSS 3.1)5.9Medium

Exploit odds (30 days)0.4%top 67.9% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack tooling1Public PoC

Official description

PictShare before version 3.7.1 contains a weak randomness vulnerability where the getRandomString() function uses the non-cryptographic rand() PRNG to generate the delete_code authorization token in src/inc/core.php. Attackers can predict or infer the PRNG state to guess valid delete_code values and perform unauthorized deletion of hosted files without needing to read the code from the info endpoint.

Affected products (as reported)

Vendor	Product	Versions
HaschekSolutions	pictshare	2.0.0 – before 3.7.1

Weakness: CWE-338 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

References

Patch Commit issue-tracking, release-notes
Vendor Patch patch
VulnCheck Advisory third-party-advisory