Taliban soldiers pose as they stand on a Humvee in Afghanistan’s Nangarhar province, which shares a border with Pakistan on February 28, 2026.

Why Are the Afghan Taliban and Pakistan in an “Open War”?

Historical Roots of Tension

Initially, relations were shaped by cooperation, as Pakistan supported the Afghan Taliban during decades of conflict to secure influence in Afghanistan. 

Emergence of a Key Militant Actor

However, tensions grew with the rise of Tehrik-e-Taliban Pakistan (TTP), formed by militants opposing Pakistan after aligning with Afghan insurgents post-2001.

Ideological and Operational Links

Moreover, the TTP maintains ideological and operational ties with the Afghan Taliban, sharing goals like enforcing strict Islamic law and resisting external influence.

Pakistan’s Main Accusation 

Consequently, Pakistan accuses the Afghan Taliban of harboring TTP fighters who launch cross-border attacks, killing hundreds of Pakistani security personnel. 

Taliban’s Position and Denial

Conversely, the Afghan Taliban deny these accusations, rejecting responsibility and framing Pakistani strikes as violations of Afghan sovereignty. 

Escalation After 2021

Following the Taliban’s return to power in 2021, militant activity increased, and Pakistan saw a resurgence of attacks linked to TTP safe havens in Afghanistan. 

Breakdown of Diplomacy

Although mediation efforts occurred, including Taliban attempts to manage tensions, negotiations repeatedly failed to stop violence between both sides. 

Cycle of Violence

Subsequently, the conflict evolved into repeated cycles of TTP attacks inside Pakistan followed by Pakistani military strikes inside Afghanistan. 

Immediate Trigger of “Open War”

Recently, direct Taliban attacks on Pakistani border positions prompted large-scale retaliatory strikes, leading Pakistan to declare an “open war.” 

Broader Regional Implications

Finally, this confrontation risks strengthening other extremist groups, as reduced counterterrorism pressure could allow organizations like ISIS affiliates to expand. 

Source:

Council on Foreign Relations. (2026, March 5). Why are the Afghan Taliban and Pakistan in an “open war”? https://www.cfr.org/articles/why-are-the-afghan-taliban-and-pakistan-in-an-open-war