# CVE-2026-16645: PhotoSwipe - Responsive JavaScript Modal Image Gallery - Moderately critical - Access bypass - SA-CONTRIB-2026-088

> Attackers can bypass authorization to access restricted content in the Drupal PhotoSwipe module via forceful browsing.

- **Severity:** Critical 9.1 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** Yes
- **Published:** 25 Aug 2026
- **Updated:** 26 Aug 2026
- **Also known as:** DRUPAL-CONTRIB-2026-088, GHSA-wq7x-7x4j-792v

## What is CVE-2026-16645?

CVE-2026-16645 is a critical missing authorization vulnerability in Drupal PhotoSwipe - Responsive JavaScript Modal Image Gallery, published on 25 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

Missing Authorization vulnerability in Drupal PhotoSwipe - Responsive JavaScript Modal Image Gallery allows Forceful Browsing. This issue affects PhotoSwipe - Responsive JavaScript Modal Image Gallery versions: from 0.0.0 to 3.2.0.

Weakness: CWE-862 (Missing Authorization)

## Which versions are affected by CVE-2026-16645?


| Package | Ecosystem | Affected | Fixed in |
| --- | --- | --- | --- |
| `drupal/photoswipe` | Packagist:https://packages.drupal.org/8 | All versions | 3.2.0 |

## How do I fix CVE-2026-16645?

Upgrade to a fixed version.

## Is CVE-2026-16645 being exploited?

There is no known exploitation of CVE-2026-16645 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-16645 and fix it if it is affected.

What it is: CVE-2026-16645 is a critical missing authorization vulnerability in Drupal PhotoSwipe - Responsive JavaScript Modal Image Gallery, published on 25 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2026-16645 in the wild and no public exploit code.

Affected product: Drupal PhotoSwipe - Responsive JavaScript Modal Image Gallery. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2026-16645/ (Markdown: https://insights.sbomify.com/CVE-2026-16645/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-16645
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-16645
- OSV: https://osv.dev/vulnerability/CVE-2026-16645

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-16645/
Summaries are generated and may contain mistakes; the official description above is the record.